19743 + Interview Questions in Mathematics Page 134 InterviewSolution

6651.	Construct ∆EFG from the given measures. l(FG) = 5 cm, m∠EFG = 90°, l(EG) = 7 cm.
Answer» Construct ∆EFG from the given measures. l(FG) = 5 cm, m $∠$ EFG = 90^°, l(EG) = 7 cm.

Discussion

6652.	96abc(3a − 12)(5b − 30) ÷ 144(a − 4) (b − 6) gives
Answer» 96abc(3a − 12)(5b − 30) ÷ 144(a − 4) (b − 6) gives

Discussion

6653.	Which one of the following is a false statement
Answer» Which one of the following is a false statement

Discussion

6654.

You are to open the books of Rajesh Prabhu, Gurugram (Haryana) a trader, through the Journal to record the assets and liabilities and then to record the daily transactions for the month of April, 2018. A Trial Balance is to be extracted as on 30th April, 2018: 2018 April 1 Assets: Premises ₹ 2,00,000; Delivery Van ₹ 50,000; Fixtures ₹ 5,000; Stock ₹ 75,000; Debtors: Hariharan ₹ 30,000; Rajhans ₹ 50,000; Cash at Bank ₹ 45,000; Cash in Hand ₹ 30,000 Liabilities: Creditors: Jawahar ₹ 1,00,000; Vikas ₹ 45,000; Telephone Expenses Payable ₹ 4,000; Output CGST– ₹ 240; Output SGST– ₹ 240; Electricity Expenses Payable ₹ 4,520; Salaries Payable ₹ 7,000. April 1 Paid rent by cheque ₹ 5,000 April 2 Goods purchased on credit from Prabhat, Delhi ₹ 15,000; Rajan, Delhi ₹ 8,000; Passi, Delhi ₹ 7,000 April 3 Goods sold on credit to Rakesh, Gurugram ₹ 17,000; Devender, Delhi ₹ 25,000; Paid Telephone Bill, CGST and SGST by Cheque April 4 Paid the bill of petrol expenses for Delivery Van ₹ 5,700* April 5 Cash drawings by Rajesh Prabhu ₹ 4,000* April 7 Paid salaries for the month of March, 2018 ₹ 7,000* April 9 Cash sales ₹ 5,000 April 11 Goods returned by Rakesh ₹ 5,000; Devender ₹ 1,000 April 12 Received cheques from debtors: Hariharan ₹ 20,000; Rajhans ₹ 40,000* April 16 Goods returned to Prabhat ₹ 4,000; Rajan ₹ 1,000 April 20 Cheques issued to creditors: Jawahar ₹ 50,000; Vikas ₹ 10,000* April 22 Received cheques from Hariharan ₹ 10,000; Rajhans ₹ 10,000; Rakesh ₹ 10,000; Devender ₹ 5,000; Cheques received from Rakesh and Devender are dated 25th May, 2018. April 24 Cheques from Rakesh and Devender were discounted from bank paying interest 10% p.a. April 25 Received cash from Devender in full settlement ₹ 21,000* Inter-state transactions are subject to levy of IGST 12% and Intra-state transactions are subject to levy of CGST and SGST 6% each. GST is not levied on transactions marked with (*).

Answer» You are to open the books of Rajesh Prabhu, Gurugram (Haryana) a trader, through the Journal to record the assets and liabilities and then to record the daily transactions for the month of April, 2018. A Trial Balance is to be extracted as on 30th April, 2018:

2018
April 1	Assets: Premises ₹ 2,00,000; Delivery Van ₹ 50,000; Fixtures ₹ 5,000; Stock ₹ 75,000; Debtors: Hariharan ₹ 30,000;
	Rajhans ₹ 50,000; Cash at Bank ₹ 45,000; Cash in Hand ₹ 30,000 Liabilities: Creditors: Jawahar ₹ 1,00,000; Vikas ₹ 45,000; Telephone Expenses Payable ₹ 4,000; Output CGST– ₹ 240; Output SGST– ₹ 240; Electricity Expenses Payable ₹ 4,520; Salaries Payable ₹ 7,000.
April 1	Paid rent by cheque ₹ 5,000
April 2	Goods purchased on credit from Prabhat, Delhi ₹ 15,000; Rajan, Delhi ₹ 8,000; Passi, Delhi ₹ 7,000
April 3	Goods sold on credit to Rakesh, Gurugram ₹ 17,000; Devender, Delhi ₹ 25,000; Paid Telephone Bill, CGST and SGST by Cheque
April 4	Paid the bill of petrol expenses for Delivery Van ₹ 5,700*
April 5	Cash drawings by Rajesh Prabhu ₹ 4,000*
April 7	Paid salaries for the month of March, 2018 ₹ 7,000*
April 9	Cash sales ₹ 5,000
April 11	Goods returned by Rakesh ₹ 5,000; Devender ₹ 1,000
April 12	Received cheques from debtors: Hariharan ₹ 20,000; Rajhans ₹ 40,000*
April 16	Goods returned to Prabhat ₹ 4,000; Rajan ₹ 1,000
April 20	Cheques issued to creditors: Jawahar ₹ 50,000; Vikas ₹ 10,000*
April 22	Received cheques from Hariharan ₹ 10,000; Rajhans ₹ 10,000; Rakesh ₹ 10,000; Devender ₹ 5,000;
	Cheques received from Rakesh and Devender are dated 25th May, 2018*.
April 24	Cheques from Rakesh and Devender were discounted from bank paying interest 10% p.a.*
April 25	Received cash from Devender in full settlement ₹ 21,000*

Inter-state transactions are subject to levy of IGST 12% and Intra-state transactions are subject to levy of CGST and SGST 6% each. GST is not levied on transactions marked with (*).

Discussion

6655.	Karan wants to cover the floor of his room with lavish tiles. The floor of his room is in the shape of a square with sides measuring 6 m. The shopkeeper told him that the area of each tile is 0.5 m2. How many tiles should Karan buy?
Answer» Karan wants to cover the floor of his room with lavish tiles. The floor of his room is in the shape of a square with sides measuring 6 m. The shopkeeper told him that the area of each tile is 0.5 m². How many tiles should Karan buy?

Discussion

6656.	Find the additive inverse of each of the following (i) 13 (ii) 239 (iii) −18 (iv) −178 (v) 15−4 (vi) −16−5 (vii) −311 (viii) 0 (ix) 19−6 (x) −8−7
Answer» Find the additive inverse of each of the following (i) $\frac{1}{3}$ (ii) $\frac{23}{9}$ (iii) $- 18$ (iv) $\frac{- 17}{8}$ (v) $\frac{15}{- 4}$ (vi) $\frac{- 16}{- 5}$ (vii) $\frac{- 3}{11}$ (viii) $0$ (ix) $\frac{19}{- 6}$ (x) $\frac{- 8}{- 7}$

6656.

Find the additive inverse of each of the following (i) 13 (ii) 239 (iii) −18 (iv) −178 (v) 15−4 (vi) −16−5 (vii) −311 (viii) 0 (ix) 19−6 (x) −8−7

Answer»

Find the additive inverse of each of the following

(i) $\frac{1}{3}$ (ii) $\frac{23}{9}$ (iii) $- 18$

(iv) $\frac{- 17}{8}$ (v) $\frac{15}{- 4}$ (vi) $\frac{- 16}{- 5}$ (vii) $\frac{- 3}{11}$ (viii) $0$

(ix) $\frac{19}{- 6}$ (x) $\frac{- 8}{- 7}$

Discussion

6657.	What is the diameter of a circle whose radius is 7 cm?
Answer» What is the diameter of a circle whose radius is 7 cm?

Discussion

6658.	Cost of 6 kg of wheat is ₹72.a) What will be the cost of 8 kg of wheat?b) What quantity of wheat can be purchased with ₹61?
Answer» Cost of 6 kg of wheat is ₹72. a) What will be the cost of 8 kg of wheat? b) What quantity of wheat can be purchased with ₹61?

6658.

Cost of 6 kg of wheat is ₹72.a) What will be the cost of 8 kg of wheat?b) What quantity of wheat can be purchased with ₹61?

Answer»

Cost of 6 kg of wheat is ₹72.

a) What will be the cost of 8 kg of wheat?

b) What quantity of wheat can be purchased with ₹61?

Discussion

6659.	Solve the following problems.An agent received Rs. 3,000 commission by selling an old lorry. If the rate of commission is 1.5%, find the selling price of the lorry.
Answer» Solve the following problems. An agent received Rs. 3,000 commission by selling an old lorry. If the rate of commission is 1.5%, find the selling price of the lorry.

6659.

Solve the following problems.An agent received Rs. 3,000 commission by selling an old lorry. If the rate of commission is 1.5%, find the selling price of the lorry.

Answer»

Solve the following problems.

An agent received Rs. 3,000 commission by selling an old lorry. If the rate of commission is 1.5%, find the selling price of the lorry.

Discussion

6660.	Simplify and express the following in exponential form((72)4 ×78) ÷ (74)2
Answer» Simplify and express the following in exponential form $({(7^{2})}^{4} \times 7^{8}) \div {(7^{4})}^{2}$

Discussion

6661.	Arun has Rs 400 in the form of Rs 20 notes and Rs 10 notes. If the number of Rs 20 notes is 5 more than the number of Rs 10 notes, then how many Rs 20 notes does he have? 15
Answer» Arun has Rs 400 in the form of Rs 20 notes and Rs 10 notes. If the number of Rs 20 notes is 5 more than the number of Rs 10 notes, then how many Rs 20 notes does he have? 15

Discussion

6662.	John has one third of a dollar, and Sarah gives him one sixth of a dollar $x. Now John has a total of $10. Find the value of x.
Answer» John has one third of a dollar, and Sarah gives him one sixth of a dollar $$ x .$ Now John has a total of $$ 10.$ Find the value of $x .$

Discussion

6663.	What is the area of the largest circle in sq. cm that can be inscribed in a square of side 14 cm?
Answer» What is the area of the largest circle in sq. cm that can be inscribed in a square of side 14 cm?

Discussion

6664.	How the perimeter of the circle become 2πr ?undefinedundefinedundefinedundefined
Answer» How the perimeter of the circle become $2 π r$ ? undefined undefined undefined undefined

Discussion

6665.	Question 4(iv) Write the equation for the following statement: The number b divided by 5 gives 6.
Answer» Question 4(iv) Write the equation for the following statement: The number b divided by 5 gives 6.

Discussion

6666.	Aditya's age is 50 years old and his brother is 30 years old. What is the ratio of Aditya's age to his brother age when the Aditya was 30 years old?
Answer» Aditya's age is 50 years old and his brother is 30 years old. What is the ratio of Aditya's age to his brother age when the Aditya was 30 years old?

Discussion

6667.	Question 21 The following is the map of a town. Based on it answer the question. According to the map, the number of schools in the town is (a) 4 (b) 3 (c) 5 (d) 12
Answer» Question 21 The following is the map of a town. Based on it answer the question. According to the map, the number of schools in the town is (a) 4 (b) 3 (c) 5 (d) 12

Discussion

6668.	4329 = ___
Answer» 4329 = ___

Discussion

6669.	The product of two numbers is 1556.If one number is 623, what will be the other number?
Answer» The product of two numbers is $15 \frac{5}{6}$ . If one number is $6 \frac{2}{3}$ , what will be the other number?

Discussion

6670.	The median of a triangle divided it into two ( A median is a line segment from a vertex to the midpoint of the opposite side. )(a) triangles of equal area(b) congruent traingles(c) isosceles triangles(d) right triangles
Answer» The median of a triangle divided it into two ( A median is a line segment from a vertex to the midpoint of the opposite side. ) (a) triangles of equal area (b) congruent traingles (c) isosceles triangles (d) right triangles

6670.

The median of a triangle divided it into two ( A median is a line segment from a vertex to the midpoint of the opposite side. )(a) triangles of equal area(b) congruent traingles(c) isosceles triangles(d) right triangles

Answer»

The median of a triangle divided it into two ( A median is a line segment from a vertex to the midpoint of the opposite side. )

(a) triangles of equal area

(b) congruent traingles

(c) isosceles triangles

(d) right triangles

Discussion

6671.	A wastewater is to be disinfected with 35 mg/L of chlorine to obtain 99% kill of micro-organisms. The number of micro-organisms remaining alive (Nt) at time t, is modelled by Nt=N0e−kt, where N0 is number of micro-organisms at t=0, and k is the rate of kill. The wastewater flow rate is 36 m3/h, and k=0.23min−1. If the depth and width of the chlorination tank are 1.5 m and 1.0 m, respectively, the length of the tank (in m, round off to 2 decimal places) is8.0089
Answer» A wastewater is to be disinfected with $35 m g / L$ of chlorine to obtain 99% kill of micro-organisms. The number of micro-organisms remaining alive $(N_{t})$ at time $t$ , is modelled by $N_{t} = N_{0} e^{- k t}$ , where $N_{0}$ is number of micro-organisms at $t = 0$ , and $k$ is the rate of kill. The wastewater flow rate is $36 m^{3} / h$ , and $k = 0.23 {min}^{- 1}$ . If the depth and width of the chlorination tank are $1.5 m$ and $1.0 m$ , respectively, the length of the tank (in m, round off to 2 decimal places) is 8.0089

Discussion

6672.	Identify the type of passage from the following figures.
Answer» Identify the type of passage from the following figures.

Discussion

6673.	The sum of squares of first n natural numbers is given by 16n(n+1)(2n+1) or 16(2n3+3n2+n). Find the sum of squares of the first 10 natural numbers.
Answer» The sum of squares of first n natural numbers is given by $\frac{1}{6} n (n + 1) (2 n + 1)$ or $\frac{1}{6} (2 n^{3} + 3 n^{2} + n)$ . Find the sum of squares of the first 10 natural numbers.

Discussion

6674.	Equilateral triangle has _____ lines of symmetry and circle has ____________ number of lines of symmetry
Answer» Equilateral triangle has _____ lines of symmetry and circle has ____________ number of lines of symmetry

Discussion

6675.	Write algebraic expression for the following:When I multiply four-fifth of number x to two-fifth of the sum of numbers x3 and y, I obtain 4 times c subtracted from the sum of y and x.
Answer» Write algebraic expression for the following: When I multiply four-fifth of number $x$ to two-fifth of the sum of numbers $x^{3}$ and $y$ , I obtain $4$ times $c$ subtracted from the sum of $y$ and $x$ .

Discussion

6676.	Question 67 (c) Find the value of the given polynomial at m = 1, n = -1 and p = 2 m3+n3+p3
Answer» Question 67 (c) Find the value of the given polynomial at m = 1, n = -1 and p = 2 $m^{3} + n^{3} + p^{3}$

6676.

Question 67 (c) Find the value of the given polynomial at m = 1, n = -1 and p = 2 m3+n3+p3

Answer»

Question 67 (c)

Find the value of the given polynomial at m = 1, n = -1 and p = 2

$m^{3} + n^{3} + p^{3}$

Discussion

6677.	Find the value of 36×32.
Answer» Find the value of $3^{6} \times 3^{2}$ .

Discussion

6678.	Explain what is line spectra in detail
Answer» Explain what is line spectra in detail

Discussion

6679.	51 In the figure given below,AD is the angle bisector of angle EAF. Angle AFC=110 degree and angle DCF=20 degree. If angle DAF=30degree and angle EBD=10 degree. Find angle AEB.
Answer» 51 In the figure given below,AD is the angle bisector of angle EAF. Angle AFC=110 degree and angle DCF=20 degree. If angle DAF=30degree and angle EBD=10 degree. Find angle AEB.

Discussion

6680.	I'm divisible by an even prime number and the sum of digits is divisible by a least odd prime number. I must be completely divisible by .
Answer» I'm divisible by an even prime number and the sum of digits is divisible by a least odd prime number. I must be completely divisible by .

Discussion

6681.	निम्नलिखित प्रश्न का उत्तर (25-30 शब्दों में) लिखिए − कॉलेज के दिनों में रामन् की दिली इच्छा क्या थी?
Answer» निम्नलिखित प्रश्न का उत्तर (25-30 शब्दों में) लिखिए − कॉलेज के दिनों में रामन् की दिली इच्छा क्या थी?

6681.

निम्नलिखित प्रश्न का उत्तर (25-30 शब्दों में) लिखिए − कॉलेज के दिनों में रामन् की दिली इच्छा क्या थी?

Answer»

निम्नलिखित प्रश्न का उत्तर (25-30 शब्दों में) लिखिए −

कॉलेज के दिनों में रामन् की दिली इच्छा क्या थी?

Discussion

6682.	If two parallel lines are intersected by a transversal, prove that the bisectors of the interior angles on the same side of transversal intersect each other at right angles.
Answer» If two parallel lines are intersected by a transversal, prove that the bisectors of the interior angles on the same side of transversal intersect each other at right angles.

Discussion

6683.	Question 4(v) Give expression for the following cases. 7 subtracted from - m
Answer» Question 4(v) Give expression for the following cases. 7 subtracted from - m

6683.

Question 4(v) Give expression for the following cases. 7 subtracted from - m

Answer»

Question 4(v)

Give expression for the following cases.

7 subtracted from - m

Discussion

6684.	If a→=10,b→=2 and a→·b→=12, then the value of a→×b→ is(a) 5 (b) 10 (c) 14 (d) 16
Answer» If $\|\vec{a}\| = 10, \|\vec{b}\| = 2 and \vec{a} \cdot \vec{b} = 12,$ then the value of $\|\vec{a} \times \vec{b}\|$ is (a) 5 (b) 10 (c) 14 (d) 16

Discussion

6685.	Solve the following.5 men can build a wall 20ft long in 7 days. Find the length of the wall built by 13 men in 21 days?
Answer» Solve the following. 5 men can build a wall 20ft long in 7 days. Find the length of the wall built by 13 men in 21 days?

6685.

Solve the following.5 men can build a wall 20ft long in 7 days. Find the length of the wall built by 13 men in 21 days?

Answer»

Solve the following.

5 men can build a wall 20ft long in 7 days. Find the length of the wall built by 13 men in 21 days?

Discussion

6686.	Find the value of the expression 3x−1 for the given values of x:x=1,5,−6,37
Answer» Find the value of the expression $3 x - 1$ for the given values of $x$ : $x = 1, 5, - 6, \frac{3}{7}$

Discussion

6687.	Which of the following is a multiple of 11?
Answer» Which of the following is a multiple of 11?

Discussion

6688.	What is the coefficient of term xy3 in the expression 5x3−10xy3+3x2y ?
Answer» What is the coefficient of term $x y^{3}$ in the expression $5 x^{3} - 10 x y^{3} + 3 x^{2} y$ ?

Discussion

6689.	'अभिधार्थ एक होते हुए भी ध्वन्यार्थ और व्यंग्यार्थ अलग-अलग हो जाते हैं।' दूरियों के संदर्भ में इसका आशय स्पष्ट कीजिए।
Answer» 'अभिधार्थ एक होते हुए भी ध्वन्यार्थ और व्यंग्यार्थ अलग-अलग हो जाते हैं।' दूरियों के संदर्भ में इसका आशय स्पष्ट कीजिए।

Discussion

6690.	Identify which of the following figures is symmetrical about the given line l ?
Answer» Identify which of the following figures is symmetrical about the given line l ?

Discussion

6691.

Record the following transaction in the Purchases Book of Modern Furniture House, New Delhi assuming CGST 6% and SGST 6% and post it into Ledger: 2017 Nov. 3 Purchased goods from Sachdeva Furniture Store, New Delhi : 50 Chairs ₹ 2,000 each 5 Tables ₹ 10,000 each Less: 10% Trade Discount 10 Purchased furniture from Mahadeva & Co., Jaipur (Rajasthan) valued ₹ 2,00,000, less 1212% Trade Discount. 18 Purchased furniture from Fashion Furniture House, Chandigarh of the list price of ₹ 2,50,000, less 15%. 20 Purchased from India Furniture House, New Delhi : 100 Chairs ₹ 1,800 each 25 Purchased from Mohan Lal & Sons furniture of the value of ₹ 20,000 for cash.

Answer» Record the following transaction in the Purchases Book of Modern Furniture House, New Delhi assuming CGST 6% and SGST 6% and post it into Ledger:

2017
Nov. 3	Purchased goods from Sachdeva Furniture Store, New Delhi :
	50 Chairs ₹ 2,000 each
	5 Tables ₹ 10,000 each
	Less: 10% Trade Discount
10	Purchased furniture from Mahadeva & Co., Jaipur (Rajasthan) valued ₹ 2,00,000, less $12 \frac{1}{2}$ % Trade Discount.
18	Purchased furniture from Fashion Furniture House, Chandigarh of the list price of ₹ 2,50,000, less 15%.
20	Purchased from India Furniture House, New Delhi :
	100 Chairs ₹ 1,800 each
25	Purchased from Mohan Lal & Sons furniture of the value of ₹ 20,000 for cash.

Discussion

6692.	The equation of acute angle bisector between the lines L1:x−14=y−2−3=z−32,L2:x−13=y−24=z−3−2 is x−1a=y−2−14=z−3b,(a,b∈R). Then the value of a+b=
Answer» The equation of acute angle bisector between the lines $L_{1} : \frac{x - 1}{4} = \frac{y - 2}{- 3} = \frac{z - 3}{2}, L_{2} : \frac{x - 1}{3} = \frac{y - 2}{4} = \frac{z - 3}{- 2}$ is $\frac{x - 1}{a} = \frac{y - 2}{- 14} = \frac{z - 3}{b}, (a, b \in R) .$ Then the value of $a + b =$

Discussion

6693.	What is the excess of 90 over 53.865?
Answer» What is the excess of 90 over 53.865?

Discussion

6694.	The radius of a circle is 2.5 cm. Its diameter is ___.
Answer» The radius of a circle is 2.5 cm. Its diameter is ___.

Discussion

6695.	−13+(−69)+57−(−89)−(53+(−49))=
Answer» $- 13 + (- 69) + 57 - (- 89) - (53 + (- 49)) =$

Discussion

6696.	There is a circular track of length 400 m. If you are running around the circumference and at an angle of 270° from the centre, what is the length you have covered while running?
Answer» There is a circular track of length 400 m. If you are running around the circumference and at an angle of 270° from the centre, what is the length you have covered while running?

Discussion

6697.	An open pipe 40 cm long and close pipe 31 cm long both having same diameter are producing their first overtone and these are in union. Dtermine the end correction of these pipes
Answer» An open pipe 40 cm long and close pipe 31 cm long both having same diameter are producing their first overtone and these are in union. Dtermine the end correction of these pipes

Discussion

6698.	In the given figure 1.66, seg PQ \|\| seg DE, A(∆PQF) = 20 units, PF = 2 DP, then Find A(◻DPQE) by completing the following activity.
Answer» In the given figure 1.66, seg PQ \|\| seg DE, A(∆PQF) = 20 units, PF = 2 DP, then Find A(◻DPQE) by completing the following activity.

Discussion

6699.	If m=√(4+(√4-(√4+(√4-infinity)))), then m equal to?
Answer» If m=√(4+(√4-(√4+(√4-infinity)))), then m equal to?

Discussion

6700.	A car travelled 60 km towards the north direction from a point A. From there, it travelled 100 km in the south direction. How far is the car from point A now?
Answer» A car travelled 60 km towards the north direction from a point A. From there, it travelled 100 km in the south direction. How far is the car from point A now?

Discussion

Explore topic-wise InterviewSolutions in .

Construct ∆EFG from the given measures. l(FG) = 5 cm, m∠EFG = 90°, l(EG) = 7 cm.

96abc(3a − 12)(5b − 30) ÷ 144(a − 4) (b − 6) gives

Which one of the following is a false statement

Karan wants to cover the floor of his room with lavish tiles. The floor of his room is in the shape of a square with sides measuring 6 m. The shopkeeper told him that the area of each tile is 0.5 m2. How many tiles should Karan buy?

Find the additive inverse of each of the following (i) 13 (ii) 239 (iii) −18 (iv) −178 (v) 15−4 (vi) −16−5 (vii) −311 (viii) 0 (ix) 19−6 (x) −8−7

What is the diameter of a circle whose radius is 7 cm?

Cost of 6 kg of wheat is ₹72.a) What will be the cost of 8 kg of wheat?b) What quantity of wheat can be purchased with ₹61?

Solve the following problems.An agent received Rs. 3,000 commission by selling an old lorry. If the rate of commission is 1.5%, find the selling price of the lorry.

Simplify and express the following in exponential form((72)4 ×78) ÷ (74)2

Arun has Rs 400 in the form of Rs 20 notes and Rs 10 notes. If the number of Rs 20 notes is 5 more than the number of Rs 10 notes, then how many Rs 20 notes does he have? 15

John has one third of a dollar, and Sarah gives him one sixth of a dollar $x. Now John has a total of $10. Find the value of x.

What is the area of the largest circle in sq. cm that can be inscribed in a square of side 14 cm?

How the perimeter of the circle become 2πr ?undefinedundefinedundefinedundefined

Question 4(iv) Write the equation for the following statement: The number b divided by 5 gives 6.

Aditya's age is 50 years old and his brother is 30 years old. What is the ratio of Aditya's age to his brother age when the Aditya was 30 years old?

Question 21 The following is the map of a town. Based on it answer the question. According to the map, the number of schools in the town is (a) 4 (b) 3 (c) 5 (d) 12

4329 = ___

The product of two numbers is 1556.If one number is 623, what will be the other number?

The median of a triangle divided it into two ( A median is a line segment from a vertex to the midpoint of the opposite side. )(a) triangles of equal area(b) congruent traingles(c) isosceles triangles(d) right triangles

Identify the type of passage from the following figures.

The sum of squares of first n natural numbers is given by 16n(n+1)(2n+1) or 16(2n3+3n2+n). Find the sum of squares of the first 10 natural numbers.

Equilateral triangle has _____ lines of symmetry and circle has ____________ number of lines of symmetry

Write algebraic expression for the following:When I multiply four-fifth of number x to two-fifth of the sum of numbers x3 and y, I obtain 4 times c subtracted from the sum of y and x.

Question 67 (c) Find the value of the given polynomial at m = 1, n = -1 and p = 2 m3+n3+p3

Find the value of 36×32.

Explain what is line spectra in detail

51 In the figure given below,AD is the angle bisector of angle EAF. Angle AFC=110 degree and angle DCF=20 degree. If angle DAF=30degree and angle EBD=10 degree. Find angle AEB.

I'm divisible by an even prime number and the sum of digits is divisible by a least odd prime number. I must be completely divisible by .

निम्नलिखित प्रश्न का उत्तर (25-30 शब्दों में) लिखिए − कॉलेज के दिनों में रामन् की दिली इच्छा क्या थी?

If two parallel lines are intersected by a transversal, prove that the bisectors of the interior angles on the same side of transversal intersect each other at right angles.

Question 4(v) Give expression for the following cases. 7 subtracted from - m

If a→=10,b→=2 and a→·b→=12, then the value of a→×b→ is(a) 5 (b) 10 (c) 14 (d) 16

Solve the following.5 men can build a wall 20ft long in 7 days. Find the length of the wall built by 13 men in 21 days?

Find the value of the expression 3x−1 for the given values of x:x=1,5,−6,37

Which of the following is a multiple of 11?

What is the coefficient of term xy3 in the expression 5x3−10xy3+3x2y ?

Identify which of the following figures is symmetrical about the given line l ?

The equation of acute angle bisector between the lines L1:x−14=y−2−3=z−32,L2:x−13=y−24=z−3−2 is x−1a=y−2−14=z−3b,(a,b∈R). Then the value of a+b=

What is the excess of 90 over 53.865?

The radius of a circle is 2.5 cm. Its diameter is ___.

−13+(−69)+57−(−89)−(53+(−49))=

There is a circular track of length 400 m. If you are running around the circumference and at an angle of 270° from the centre, what is the length you have covered while running?

An open pipe 40 cm long and close pipe 31 cm long both having same diameter are producing their first overtone and these are in union. Dtermine the end correction of these pipes

In the given figure 1.66, seg PQ || seg DE, A(∆PQF) = 20 units, PF = 2 DP, then Find A(◻DPQE) by completing the following activity.

If m=√(4+(√4-(√4+(√4-infinity)))), then m equal to?

A car travelled 60 km towards the north direction from a point A. From there, it travelled 100 km in the south direction. How far is the car from point A now?

Equilateral triangle has _ lines of symmetry and circle has ________ number of lines of symmetry