25365 + Interview Questions in Mathematics Page 31 InterviewSolution

1501.	Question 61The value of a car, bought for Rs 440000 depreciates each year by 10% of its value at the beginning of that year. So, its value becomes Rs 308000 after three years.
Answer» Question 61 The value of a car, bought for Rs 440000 depreciates each year by 10% of its value at the beginning of that year. So, its value becomes Rs 308000 after three years.

1501.

Question 61The value of a car, bought for Rs 440000 depreciates each year by 10% of its value at the beginning of that year. So, its value becomes Rs 308000 after three years.

Answer»

Question 61

The value of a car, bought for Rs 440000 depreciates each year by 10% of its value at the beginning of that year. So, its value becomes Rs 308000 after three years.

Discussion

1502.	If the each of algebric expression lx^2 +mx+n,mx^2+nx+l and nx^2+lx+n are perfect squares then l+m/n =
Answer» If the each of algebric expression lx^2 +mx+n,mx^2+nx+l and nx^2+lx+n are perfect squares then l+m/n =

Discussion

1503.	In the given figure, PQRS is a rhombus. If ∠OPQ = 35°, then ∠ORS + ∠OQP = ____________.
Answer» In the given figure, PQRS is a rhombus. If ∠OPQ = 35°, then ∠ORS + ∠OQP = ____________.

Discussion

1504.	Akash deposited ₹2000 per month in a recurring deposit account. If rate of interest on recurring deposit is 24% per annum and he gets ₹27120 on maturity, find the time (in months) of his recurring deposit account. 12
Answer» Akash deposited ₹2000 per month in a recurring deposit account. If rate of interest on recurring deposit is 24% per annum and he gets ₹27120 on maturity, find the time (in months) of his recurring deposit account. 12

Discussion

1505.	Report the approximate value of √3 with the help of the attached figure below 1.7
Answer» Report the approximate value of $\sqrt{3}$ with the help of the attached figure below 1.7

Discussion

1506.	Every rational number has a reciprocal. True or false. Give reasons.
Answer» Every rational number has a reciprocal. True or false. Give reasons.

1506.

Every rational number has a reciprocal. True or false. Give reasons.

Answer»

Every rational number has a reciprocal.

True or false. Give reasons.

Discussion

1507.	Find the number of edges in a solid having 6 vertices and 3 faces?7
Answer» Find the number of edges in a solid having 6 vertices and 3 faces? 7

Discussion

1508.	Can we draw a quadrilateral ABCD with following measurements: AB = 3cm, BC = 5cm, AD = 4cm, CD= 7cm and BD=8cm?
Answer» Can we draw a quadrilateral ABCD with following measurements: AB = 3cm, BC = 5cm, AD = 4cm, CD= 7cm and BD=8cm?

Discussion

1509.	Consider the marks obtained by 18 students (out of 100 marks) in a science quiz30 40 50 35 55 60 40 30 60 75 60 30 40 60 55 35 50 40 What is the frequency of the least marks obtained in the class?
Answer» Consider the marks obtained by 18 students (out of 100 marks) in a science quiz 30 40 50 35 55 60 40 30 60 75 60 30 40 60 55 35 50 40 What is the frequency of the least marks obtained in the class?

1509.

Consider the marks obtained by 18 students (out of 100 marks) in a science quiz30 40 50 35 55 60 40 30 60 75 60 30 40 60 55 35 50 40 What is the frequency of the least marks obtained in the class?

Answer»

Consider the marks obtained by 18 students (out of 100 marks) in a science quiz

30 40 50 35 55 60 40 30 60

75 60 30 40 60 55 35 50 40

What is the frequency of the least marks obtained in the class?

Discussion

1510.	48. how To construcuct 60 degrees
Answer» 48. how To construcuct 60 degrees

Discussion

1511.	The value of 9.8×10.2 will be
Answer» The value of $9.8 \times 10.2$ will be

Discussion

1512.	Factorise - a^12×y^4 - a^4×y^12
Answer» Factorise - a^12×y^4 - a^4×y^12

Discussion

1513.	If 233 divide by 17 then remainder …
Answer» If 233 divide by 17 then remainder …

Discussion

1514.	If a square of side 8m and a rectangle of length 12m have the same perimeter, then find the area of the rectangle(in m2)?
Answer» If a square of side 8m and a rectangle of length 12m have the same perimeter, then find the area of the rectangle(in m²)?

Discussion

1515.	Question 1 (b)Calculate the amount and compound interest on:b) ₹18,000 for 212% years at 10% per annum compounded annually.
Answer» Question 1 (b) Calculate the amount and compound interest on: b) ₹18,000 for $2 \frac{1}{2} %$ years at 10% per annum compounded annually.

Discussion

1516.	Question 50(ii)Draw a graph for the radius and circumference of circles using a suitable scale.[Hint Take radius=7, 14, 21 units and so on.]From the graph,At what radius will the circumference of the circle be 220 units?
Answer» Question 50(ii) Draw a graph for the radius and circumference of circles using a suitable scale. [Hint Take radius=7, 14, 21 units and so on.] From the graph, At what radius will the circumference of the circle be 220 units?

Discussion

1517.	Which of the following traffic signs has a perimeter of 18 ft?
Answer» Which of the following traffic signs has a perimeter of 18 ft?

Discussion

1518.	State true or false?There is no perfect cube which ends in 8 .
Answer» State true or false? There is no perfect cube which ends in 8 .

Discussion

1519.	Find each of the following products: (i) (x+3)(x−3) (ii) (2x+5)(2x−5) (iii) (8+x)(8−x) (iv) (7x+11y)(7x−11y) (v) (5x2+34y2)(5x2−34y2) (vi) (4x5−5y3)(4x5+5y3) (vii) (x+1x)(x−1x) (viii) (1x+1y)(1x−1y) (ix) (2a+3b)(2a−3b)
Answer» Find each of the following products: (i) $(x + 3) (x - 3)$ (ii) $(2 x + 5) (2 x - 5)$ (iii) $(8 + x) (8 - x)$ (iv) $(7 x + 11 y) (7 x - 11 y)$ (v) $(5 x^{2} + \frac{3}{4} y^{2}) (5 x^{2} - \frac{3}{4} y^{2})$ (vi) $(\frac{4 x}{5} - \frac{5 y}{3}) (\frac{4 x}{5} + \frac{5 y}{3})$ (vii) $(x + \frac{1}{x}) (x - \frac{1}{x})$ (viii) $(\frac{1}{x} + \frac{1}{y}) (\frac{1}{x} - \frac{1}{y})$ (ix) $(2 a + \frac{3}{b}) (2 a - \frac{3}{b})$

Discussion

1520.	Question 34 The reciprocal of 25×(−49) is ___
Answer» Question 34 The reciprocal of $\frac{2}{5} \times (\frac{- 4}{9})$ is ___

Discussion

1521.	Question 77Change the statement, converting expression into statement in ordinary language:Kartik is n years old. His father is 7n years old.
Answer» Question 77 Change the statement, converting expression into statement in ordinary language: Kartik is n years old. His father is 7n years old.

1521.

Question 77Change the statement, converting expression into statement in ordinary language:Kartik is n years old. His father is 7n years old.

Answer»

Question 77

Change the statement, converting expression into statement in ordinary language:

Kartik is n years old. His father is 7n years old.

Discussion

1522.	The size of the interval in a data table depicting the entities contained in it is known as
Answer» The size of the interval in a data table depicting the entities contained in it is known as

Discussion

1523.	In a cricket tournament, the total runs scored by 10 batsmen are:-212, 134, 101, 89, 45, 121, 323, 202, 76, 87 Find the median of this data.
Answer» In a cricket tournament, the total runs scored by 10 batsmen are:- 212, 134, 101, 89, 45, 121, 323, 202, 76, 87 Find the median of this data.

1523.

In a cricket tournament, the total runs scored by 10 batsmen are:-212, 134, 101, 89, 45, 121, 323, 202, 76, 87 Find the median of this data.

Answer»

In a cricket tournament, the total runs scored by 10 batsmen are:-

212, 134, 101, 89, 45, 121, 323, 202, 76, 87

Find the median of this data.

Discussion

1524.	{ Let }f^{''}(x)>0∀ x∈ R and let }g(x)=f(x)+f(2-x)}{ then interval of }x for which }g(x) is increasing is
Answer» { Let }f^{''}(x)>0∀ x∈ R and let }g(x)=f(x)+f(2-x)}{ then interval of }x for which }g(x) is increasing is

Discussion

1525.	Question 43(ii) Plot the given points on a graph sheet and check if the points lie on a straight line. If not, name the shape they form when joined in the given order. (1,1), (1,2), (2,1), (2,2)
Answer» Question 43(ii) Plot the given points on a graph sheet and check if the points lie on a straight line. If not, name the shape they form when joined in the given order. (1,1), (1,2), (2,1), (2,2)

Discussion

1526.	Write the following in increasing order: 21, −8, −26, 85, 33, −333, −210, 0, 2011.
Answer» Write the following in increasing order: 21, −8, −26, 85, 33, −333, −210, 0, 2011.

1526.

Write the following in increasing order: 21, −8, −26, 85, 33, −333, −210, 0, 2011.

Answer»

Write the following in increasing order:

21, −8, −26, 85, 33, −333, −210, 0, 2011.

Discussion

1527.	Which among the following is the major arc?To be noted: the arc names follow the clockwise pattern.
Answer» Which among the following is the major arc? To be noted: the arc names follow the clockwise pattern.

Discussion

1528.	Write down ten positive rational numbers such that numerator − denominator for each of them is −2. Write them in increasing order.
Answer» Write down ten positive rational numbers such that numerator − denominator for each of them is −2. Write them in increasing order.

Discussion

1529.	How to find rational number between-1 to +1 using arthimatic mean ? Please define it very well?
Answer» How to find rational number between-1 to +1 using arthimatic mean ? Please define it very well?

Discussion

1530.	Question 9Points (1, - 1) (2, - 2) (4, -5) and (-3, - 4)A) Lie in II quadrantB) Lie in III quadrantC) Lie in IV quadrantD) Do not lie in the same quadrant
Answer» Question 9 Points (1, - 1) (2, - 2) (4, -5) and (-3, - 4) A) Lie in II quadrant B) Lie in III quadrant C) Lie in IV quadrant D) Do not lie in the same quadrant

Discussion

1531.	Kargil’s temperature was recorded in a week from Monday to Saturday. All readings were in A.P. The sum of temperatures of Monday and Saturday was 5∘C more than sum of temperatures of Tuesday and Saturday. If the temperature of Wednesday was −30∘C celsius then, find the temperature on the other five days.
Answer» Kargil’s temperature was recorded in a week from Monday to Saturday. All readings were in A.P. The sum of temperatures of Monday and Saturday was $5^{\circ} C$ more than sum of temperatures of Tuesday and Saturday. If the temperature of Wednesday was $- 30^{\circ} C$ celsius then, find the temperature on the other five days.

Discussion

1532.	The base radius of an iron cylinder is 14 cm and its height is 28 cm. It is melted and recast into a cylinder of base radius 20 cm. What is the height of this cylinder of base radius 20 cm?
Answer» The base radius of an iron cylinder is 14 cm and its height is 28 cm. It is melted and recast into a cylinder of base radius 20 cm. What is the height of this cylinder of base radius 20 cm?

Discussion

1533.	If x+1x=1, then the value of x2+1x2 will be:
Answer» If $x + \frac{1}{x} = 1$ , then the value of $x^{2} + \frac{1}{x^{2}}$ will be:

Discussion

1534.	The opposite angles of a cyclic quadrilateral is in the ratio 2:3. Find the angles.
Answer» The opposite angles of a cyclic quadrilateral is in the ratio $2 : 3.$ Find the angles.

Discussion

1535.	Question 1(ii)Plot the following points on a graph sheet. Verify if they lie on a lineP(1, 1), Q(2, 2), R(3,3), S(4, 4)
Answer» Question 1(ii) Plot the following points on a graph sheet. Verify if they lie on a line P(1, 1), Q(2, 2), R(3,3), S(4, 4)

Discussion

1536.	Express 144 as a sum of 12 odd numbers.
Answer» Express 144 as a sum of 12 odd numbers.

Discussion

1537.	how do v calculate the value of e^{-5.569}
Answer» how do v calculate the value of e^{-5.569}

Discussion

1538.

Enter the following transactions in a petty cash book in analytical form. The book is kept on imprest system, amount of imprest being ₹ 5,000. 2016 April 3 Petty Cash in hand ₹ 420. Received cash to make-up the imprest. Bought stamps for ₹ 300. April 5 Paid for office cleaning ₹ 200 and repairs to furniture ₹ 250. April 7 Paid bus fare ₹ 440, railway fare ₹ 330, wages ₹ 200. April 8 Paid for charity ₹ 350 April 9 Bought shorthand note book for office ₹ 250, Carriage on parcels ₹ 280. April 10 Bought envelopes ₹ 450, served refreshment to customers ₹ 150. April 12 Paid for conveyance ₹ 300. Wages ₹ 200. Stapler pins ₹ 280. April 15 Gave tips to office peon ₹ 250.

Answer» Enter the following transactions in a petty cash book in analytical form. The book is kept on imprest system, amount of imprest being ₹ 5,000.

2016
April 3	Petty Cash in hand ₹ 420. Received cash to make-up the imprest.
	Bought stamps for ₹ 300.
April 5	Paid for office cleaning ₹ 200 and repairs to furniture ₹ 250.
April 7	Paid bus fare ₹ 440, railway fare ₹ 330, wages ₹ 200.
April 8	Paid for charity ₹ 350
April 9	Bought shorthand note book for office ₹ 250, Carriage on parcels ₹ 280.
April 10	Bought envelopes ₹ 450, served refreshment to customers ₹ 150.
April 12	Paid for conveyance ₹ 300. Wages ₹ 200. Stapler pins ₹ 280.
April 15	Gave tips to office peon ₹ 250.

Discussion

1539.	Describe how the twofigures at the right are alike and how they are different. Which boxhas larger lateral surface area?
Answer» Describe how the two figures at the right are alike and how they are different. Which box has larger lateral surface area?

1539.

Describe how the twofigures at the right are alike and how they are different. Which boxhas larger lateral surface area?

Answer»

Describe how the two
figures at the right are alike and how they are different. Which box
has larger lateral surface area?

Discussion

1540.

• The Bear FamilyDisclaimer: Kindly refer to the textbook for the images.• Bring pictures of your family members.- Take some chart-paper.- Write on it - My family- Stick pictures of your family members and write their names. Use Mr. and Mrs. for elder people.- Write - This is me.- Stick your picture under it and write your name.• The words curly and hungry tell us about Curlylocks. Can you find some more words which describe The Bears? Now form them into sentences of your own. • Write five lines on My Family.________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Answer» • The Bear Family

Disclaimer: Kindly refer to the textbook for the images.

• Bring pictures of your family members.

- Take some chart-paper.

- Write on it - My family

- Stick pictures of your family members and write their names. Use Mr. and Mrs. for elder people.

- Write - This is me.

- Stick your picture under it and write your name.

• The words curly and hungry tell us about Curlylocks. Can you find some more words which describe The Bears? Now form them into sentences of your own.

__________	__________	__________	__________	__________
__________	__________	__________	__________	__________

• Write five lines on My Family.

________________________________________________

________________________________________________

________________________________________________

________________________________________________

________________________________________________

Discussion

1541.	Mr Sharma found some printouts of line diagrams. The axes of the graphs were not marked, but Mr. Sharma remembered that he measured yearly output on the x-axis. Which of the following diagrams would represent the estimates of electricity cost per square feet of output versus yearly output?
Answer» Mr Sharma found some printouts of line diagrams. The axes of the graphs were not marked, but Mr. Sharma remembered that he measured yearly output on the x-axis. Which of the following diagrams would represent the estimates of electricity cost per square feet of output versus yearly output?

Discussion

1542.	Find the smallest positive integer with which one has to multiply each of the following numbers to get a perfect square: (i) 847; (ii) 450; (iii) 1445; (iv) 1352.
Answer» Find the smallest positive integer with which one has to multiply each of the following numbers to get a perfect square: (i) 847; (ii) 450; (iii) 1445; (iv) 1352.

1542.

Find the smallest positive integer with which one has to multiply each of the following numbers to get a perfect square: (i) 847; (ii) 450; (iii) 1445; (iv) 1352.

Answer»

Find the smallest positive integer with which one has to multiply each of the following numbers to get a perfect square:

(i) 847; (ii) 450; (iii) 1445; (iv) 1352.

Discussion

1543.	Find the length of rope required to fence a quadrilateral ABCD whose sides AB = 4 m, BC = 5.4 m, CD = 8.6 m and DA = 10 m.
Answer» Find the length of rope required to fence a quadrilateral ABCD whose sides AB = 4 m, BC = 5.4 m, CD = 8.6 m and DA = 10 m.

Discussion

1544.	Express in usual form: 5.06x10−4__
Answer» Express in usual form: 5.06x $10^{- 4}$ __

Discussion

1545.	Five years ago ,I was 1/3 as old as my elder sister, but now I am half her age. Therefore my present age is : A) 22 B)20 C)24. D)26
Answer» Five years ago ,I was 1/3 as old as my elder sister, but now I am half her age. Therefore my present age is : A) 22 B)20 C)24. D)26

1545.

Five years ago ,I was 1/3 as old as my elder sister, but now I am half her age. Therefore my present age is : A) 22 B)20 C)24. D)26

Answer»

Five years ago ,I was 1/3 as old as my elder sister, but now I am half her age. Therefore my present age is :

A) 22 B)20 C)24. D)26

Discussion

1546.	Question 42State whether the following statement is true (T) or false (F).If 158−7x=9, then −7x=9+158.
Answer» Question 42 State whether the following statement is true (T) or false (F). If $\frac{15}{8} - 7 x = 9,$ then $- 7 x = 9 + \frac{15}{8} .$

1546.

Question 42State whether the following statement is true (T) or false (F).If 158−7x=9, then −7x=9+158.

Answer»

Question 42

State whether the following statement is true (T) or false (F).

If $\frac{15}{8} - 7 x = 9,$ then $- 7 x = 9 + \frac{15}{8} .$

Discussion

1547.	Which of the following option(s) is/are correct when a transversal intersects two parallel lines?
Answer» Which of the following option(s) is/are correct when a transversal intersects two parallel lines?

Discussion

1548.	Solve using elimination method Mx-ny=m^2+n^2 x+y=2m method
Answer» Solve using elimination method Mx-ny=m^2+n^2 x+y=2m method

Discussion

1549.	The maximum number of times an observation occurs in a given data is called ____.
Answer» The maximum number of times an observation occurs in a given data is called ____.

Discussion

1550.	20% of dolls produced in a factory were defective,25% of the remaining were damaged.if 4800 dolls were left over, what was the original number of dolls?
Answer» 20% of dolls produced in a factory were defective,25% of the remaining were damaged.if 4800 dolls were left over, what was the original number of dolls?

Discussion

Explore topic-wise InterviewSolutions in .

Question 61The value of a car, bought for Rs 440000 depreciates each year by 10% of its value at the beginning of that year. So, its value becomes Rs 308000 after three years.

If the each of algebric expression lx^2 +mx+n,mx^2+nx+l and nx^2+lx+n are perfect squares then l+m/n =

In the given figure, PQRS is a rhombus. If ∠OPQ = 35°, then ∠ORS + ∠OQP = ____________.

Akash deposited ₹2000 per month in a recurring deposit account. If rate of interest on recurring deposit is 24% per annum and he gets ₹27120 on maturity, find the time (in months) of his recurring deposit account. 12

Report the approximate value of √3 with the help of the attached figure below 1.7

Every rational number has a reciprocal. True or false. Give reasons.

Find the number of edges in a solid having 6 vertices and 3 faces?7

Can we draw a quadrilateral ABCD with following measurements: AB = 3cm, BC = 5cm, AD = 4cm, CD= 7cm and BD=8cm?

Consider the marks obtained by 18 students (out of 100 marks) in a science quiz30 40 50 35 55 60 40 30 60 75 60 30 40 60 55 35 50 40 What is the frequency of the least marks obtained in the class?

48. how To construcuct 60 degrees

The value of 9.8×10.2 will be

Factorise - a^12×y^4 - a^4×y^12

If 233 divide by 17 then remainder …

If a square of side 8m and a rectangle of length 12m have the same perimeter, then find the area of the rectangle(in m2)?

Question 1 (b)Calculate the amount and compound interest on:b) ₹18,000 for 212% years at 10% per annum compounded annually.

Question 50(ii)Draw a graph for the radius and circumference of circles using a suitable scale.[Hint Take radius=7, 14, 21 units and so on.]From the graph,At what radius will the circumference of the circle be 220 units?

Which of the following traffic signs has a perimeter of 18 ft?

State true or false?There is no perfect cube which ends in 8 .

Find each of the following products: (i) (x+3)(x−3) (ii) (2x+5)(2x−5) (iii) (8+x)(8−x) (iv) (7x+11y)(7x−11y) (v) (5x2+34y2)(5x2−34y2) (vi) (4x5−5y3)(4x5+5y3) (vii) (x+1x)(x−1x) (viii) (1x+1y)(1x−1y) (ix) (2a+3b)(2a−3b)

Question 34 The reciprocal of 25×(−49) is ___

Question 77Change the statement, converting expression into statement in ordinary language:Kartik is n years old. His father is 7n years old.

The size of the interval in a data table depicting the entities contained in it is known as

In a cricket tournament, the total runs scored by 10 batsmen are:-212, 134, 101, 89, 45, 121, 323, 202, 76, 87 Find the median of this data.

{ Let }f^{''}(x)>0∀ x∈ R and let }g(x)=f(x)+f(2-x)}{ then interval of }x for which }g(x) is increasing is

Question 43(ii) Plot the given points on a graph sheet and check if the points lie on a straight line. If not, name the shape they form when joined in the given order. (1,1), (1,2), (2,1), (2,2)

Write the following in increasing order: 21, −8, −26, 85, 33, −333, −210, 0, 2011.

Which among the following is the major arc?To be noted: the arc names follow the clockwise pattern.

Write down ten positive rational numbers such that numerator − denominator for each of them is −2. Write them in increasing order.

How to find rational number between-1 to +1 using arthimatic mean ? Please define it very well?

Question 9Points (1, - 1) (2, - 2) (4, -5) and (-3, - 4)A) Lie in II quadrantB) Lie in III quadrantC) Lie in IV quadrantD) Do not lie in the same quadrant

The base radius of an iron cylinder is 14 cm and its height is 28 cm. It is melted and recast into a cylinder of base radius 20 cm. What is the height of this cylinder of base radius 20 cm?

If x+1x=1, then the value of x2+1x2 will be:

The opposite angles of a cyclic quadrilateral is in the ratio 2:3. Find the angles.

Question 1(ii)Plot the following points on a graph sheet. Verify if they lie on a lineP(1, 1), Q(2, 2), R(3,3), S(4, 4)

Express 144 as a sum of 12 odd numbers.

how do v calculate the value of e^{-5.569}

Describe how the twofigures at the right are alike and how they are different. Which boxhas larger lateral surface area?

Mr Sharma found some printouts of line diagrams. The axes of the graphs were not marked, but Mr. Sharma remembered that he measured yearly output on the x-axis. Which of the following diagrams would represent the estimates of electricity cost per square feet of output versus yearly output?

Find the smallest positive integer with which one has to multiply each of the following numbers to get a perfect square: (i) 847; (ii) 450; (iii) 1445; (iv) 1352.

Find the length of rope required to fence a quadrilateral ABCD whose sides AB = 4 m, BC = 5.4 m, CD = 8.6 m and DA = 10 m.

Express in usual form: 5.06x10−4__

Five years ago ,I was 1/3 as old as my elder sister, but now I am half her age. Therefore my present age is : A) 22 B)20 C)24. D)26

Question 42State whether the following statement is true (T) or false (F).If 158−7x=9, then −7x=9+158.

Which of the following option(s) is/are correct when a transversal intersects two parallel lines?

Solve using elimination method Mx-ny=m^2+n^2 x+y=2m method

The maximum number of times an observation occurs in a given data is called ____.

20% of dolls produced in a factory were defective,25% of the remaining were damaged.if 4800 dolls were left over, what was the original number of dolls?