19743 + Interview Questions in Mathematics Page 218 InterviewSolution

10851.	If two sides are equal the third side would also be equal
Answer» If two sides are equal the third side would also be equal

Discussion

10852.	Burst the angles that can be drawn using set squares?
Answer» Burst the angles that can be drawn using set squares?

Discussion

10853.	Sarita bought eggs at Rs.8.40 a dozen. At what price per hundred must she sell them so as to earn a profit of 15%
Answer» Sarita bought eggs at $R s . 8.40$ a dozen. At what price per hundred must she sell them so as to earn a profit of $15 %$

Discussion

10854.	4.The sum of digits of two digit number is 11. If the digit at ten's place is increased by 5 and the digit at unit's place is decreased by 5, the digits of the number are found to be reversed. Find the original number.
Answer» 4.The sum of digits of two digit number is 11. If the digit at ten's place is increased by 5 and the digit at unit's place is decreased by 5, the digits of the number are found to be reversed. Find the original number.

Discussion

10855.	Question 18q2=3 has a solution(a) 6(b) 8(c) 3(d) 2
Answer» Question 18 $\frac{q}{2} = 3$ has a solution (a) 6 (b) 8 (c) 3 (d) 2

10855.

Question 18q2=3 has a solution(a) 6(b) 8(c) 3(d) 2

Answer»

Question 18

$\frac{q}{2} = 3$ has a solution

(a) 6

(b) 8

(c) 3

(d) 2

Discussion

10856.	After rotating by 60° about a centre, a figure looks exactly the same as its original position. At what other angles will this happen for the figure?
Answer» After rotating by 60° about a centre, a figure looks exactly the same as its original position. At what other angles will this happen for the figure?

Discussion

10857.	Total number of girls are 1022 of total number of a group of children and the number of boys are 1222 of total number of the group of children. Numerator of the fraction(lowest form) by which fraction of boys is greater than the fraction of girls in the group is .
Answer» Total number of girls are $\frac{10}{22}$ of total number of a group of children and the number of boys are $\frac{12}{22}$ of total number of the group of children. Numerator of the fraction(lowest form) by which fraction of boys is greater than the fraction of girls in the group is .

Discussion

10858.	If (2)m+1×25=4−2, then the value of m is _____.
Answer» If $(2)^{m + 1} \times 2^{5} = 4^{- 2}$ , then the value of $m$ is _____.

Discussion

10859.	In a class of 35 students, 20 students passed and 15 failed in a certain exam. The ratio of the number of passed students to the number of failed students is:
Answer» In a class of 35 students, 20 students passed and 15 failed in a certain exam. The ratio of the number of passed students to the number of failed students is:

Discussion

10860.	Question 97A recipe for a particular type of muffins requires 1cup of milk and 1.5 cups of chocolates. Riya has 7.5 cups of chocolates. If she is using the recipe as a guide, how many cups of milk will she need to prepare muffins?
Answer» Question 97 A recipe for a particular type of muffins requires 1cup of milk and 1.5 cups of chocolates. Riya has 7.5 cups of chocolates. If she is using the recipe as a guide, how many cups of milk will she need to prepare muffins?

10860.

Question 97A recipe for a particular type of muffins requires 1cup of milk and 1.5 cups of chocolates. Riya has 7.5 cups of chocolates. If she is using the recipe as a guide, how many cups of milk will she need to prepare muffins?

Answer»

Question 97

A recipe for a particular type of muffins requires 1cup of milk and 1.5 cups of chocolates. Riya has 7.5 cups of chocolates. If she is using the recipe as a guide, how many cups of milk will she need to prepare muffins?

Discussion

10861.	In right triangles ABC and DEF, if hypotenuse AB = hypotenuse EF and side AC = side DE, then ΔABC is congruent to
Answer» In right triangles ABC and DEF, if hypotenuse AB = hypotenuse EF and side AC = side DE, then ΔABC is congruent to

10861.

In right triangles ABC and DEF, if hypotenuse AB = hypotenuse EF and side AC = side DE, then ΔABC is congruent to

Answer»

In right triangles ABC and DEF, if hypotenuse AB = hypotenuse EF and side AC = side DE, then ΔABC is congruent to

Discussion

10862.	In a parallelogram PQRS, PQ = 12 cm and PS = 9 cm. The bisector of ∠P meets SR in M. PM and QR both when produced meet at T. Find the length of RT.
Answer» In a parallelogram PQRS, PQ = 12 cm and PS = 9 cm. The bisector of ∠P meets SR in M. PM and QR both when produced meet at T. Find the length of RT.

Discussion

10863.	24. The ratio of the area of circle with centre O and the area of the rectangle ABCD inscribed in it is π :\sqrt{}3 . E is a point on AB such that ∠ADE = ∠ODC. Find AE :AD.
Answer» 24. The ratio of the area of circle with centre O and the area of the rectangle ABCD inscribed in it is π :\sqrt{}3 . E is a point on AB such that ∠ADE = ∠ODC. Find AE :AD.

Discussion

10864.	Name the solid whose net is the following:
Answer» Name the solid whose net is the following:

10864.

Name the solid whose net is the following:

Answer»

Name the solid whose net is the following:

Discussion

10865.	What is anti fluorite structure?
Answer» What is anti fluorite structure?

Discussion

10866.	4/x+y - 3/x-y = 5
Answer» 4/x+y - 3/x-y = 5

Discussion

10867.	2/3 of a consignment was sold at a profit of 6% and rest at a loss of 3%. if there is an overall profit of 540 rupees the value of consignment was
Answer» 2/3 of a consignment was sold at a profit of 6% and rest at a loss of 3%. if there is an overall profit of 540 rupees the value of consignment was

Discussion

10868.	38 is equal to
Answer» $3^{8}$ is equal to

Discussion

10869.	34.A tube shown is of uniform cross section
Answer» 34.A tube shown is of uniform cross section

Discussion

10870.	If a∶b=2∶ 3and b∶ c=5∶ 7, find a∶ c & a∶ b∶ c.
Answer» If a∶b=2∶ 3and b∶ c=5∶ 7, find a∶ c & a∶ b∶ c.

Discussion

10871.	One day Ted woke up to find himself in the world of numbers. He observed that all of them were counting numbers and the smallest one there was 1. Ted must be in the world of:
Answer» One day Ted woke up to find himself in the world of numbers. He observed that all of them were counting numbers and the smallest one there was $1$ . Ted must be in the world of:

Discussion

10872.	If the largest member of the Pythagorean triplet is given to be 17, then find the other two members of the Pythagorean triplet.
Answer» If the largest member of the Pythagorean triplet is given to be $17$ , then find the other two members of the Pythagorean triplet.

Discussion

10873.	A skirt costs ₹1300 and a shirt costs ₹1000. What is the total cost of both the items?
Answer» A skirt costs ₹1300 and a shirt costs ₹1000. What is the total cost of both the items?

Discussion

10874.

Enter the following transactions in a Single Column Cash Book of M/s Suchitra Sen & Co. : 2017 (₹) March 1 Cash in Hand 1,20,000 2 Bought machinery for ₹ 60,000 and paid carriage 2,000 4 Bought goods for ₹ 25,000 and paid carriage 1,000 5 Bought goods from Ravi Das 15,000 6 Cash received from sale of Motor bike 5,000 8 Sold goods for cash less 5% cash discount 20,000 10 Sold goods 40,000 12 Paid to Ravi Das on account 10,000 15 Bought goods from Suresh for cash less 4% cash discount 30,000 20 Paid to Ravi Das 4,500 Discount received 500 25 Cash collected from Ashok (Debtor) 10,000 28 Purchased postal stamps 500 28 Salary paid to accountant 15,000

Answer» Enter the following transactions in a Single Column Cash Book of M/s Suchitra Sen & Co. :

2017		(₹)
March 1	Cash in Hand	1,20,000
2	Bought machinery for ₹ 60,000 and paid carriage	2,000
4	Bought goods for ₹ 25,000 and paid carriage	1,000
5	Bought goods from Ravi Das	15,000
6	Cash received from sale of Motor bike	5,000
8	Sold goods for cash less 5% cash discount	20,000
10	Sold goods	40,000
12	Paid to Ravi Das on account	10,000
15	Bought goods from Suresh for cash less 4% cash discount	30,000
20	Paid to Ravi Das	4,500
	Discount received	500
25	Cash collected from Ashok (Debtor)	10,000
28	Purchased postal stamps	500
28	Salary paid to accountant	15,000

Discussion

10875.	Question 6(iii) The marks (out of 100) obtained by a group of students in a science test are 85, 76, 90, 85, 39, 48, 56, 95, 81 and 75. Find the: Mean marks obtained by the group.
Answer» Question 6(iii) The marks (out of 100) obtained by a group of students in a science test are 85, 76, 90, 85, 39, 48, 56, 95, 81 and 75. Find the: Mean marks obtained by the group.

Discussion

10876.	A carpenter had a board which measured 3 m×2 m. She cut out a rectangular piece of 250 cm×90 cm. What is the ratio of the area of a cut-out piece and the remaining piece?
Answer» A carpenter had a board which measured $3 m \times 2 m$ . She cut out a rectangular piece of $250 c m \times 90 c m$ . What is the ratio of the area of a cut-out piece and the remaining piece?

Discussion

10877.	Al fills an ice cream cone to the top edge. The diameter of the ice cream cone is 2 inchesand its height is 6 inches. Don fills a bowl (V = 5 cubic inches) with ice cream. Al has howmuch more ice cream than Don?A) 1.2in3B) 1.28in3C) 1.1in3D) 1in3
Answer» Al fills an ice cream cone to the top edge. The diameter of the ice cream cone is 2 inches and its height is 6 inches. Don fills a bowl (V = 5 cubic inches) with ice cream. Al has how much more ice cream than Don? A) 1.2in3 B) 1.28in3 C) 1.1in3 D) 1in3

Discussion

10878.	Fill in the blanks with suitable answers:(1) The repeated form of multiplication of the same number is …….. .(2) Exponential numbers include …….. and exponents.(3) The number of times the base is multiplied is indicated by …….. .(4) (5)
Answer» Fill in the blanks with suitable answers: (1) The repeated form of multiplication of the same number is …….. . (2) Exponential numbers include …….. and exponents. (3) The number of times the base is multiplied is indicated by …….. . (4) (5)

10878.

Fill in the blanks with suitable answers:(1) The repeated form of multiplication of the same number is …….. .(2) Exponential numbers include …….. and exponents.(3) The number of times the base is multiplied is indicated by …….. .(4) (5)

Answer»

Fill in the blanks with suitable answers:

(1) The repeated form of multiplication of the same number is …….. .

(2) Exponential numbers include …….. and exponents.

(3) The number of times the base is multiplied is indicated by …….. .

(4)

(5)

Discussion

10879.	The value of an integer divided by additive identity is
Answer» The value of an integer divided by additive identity is

Discussion

10880.	Select the correct deep drawing of the building based on the given floor plan.
Answer» Select the correct deep drawing of the building based on the given floor plan.

Discussion

10881.	Question 111Solve the following question:A decimal number is multiplied by itself. If the product is 51.84, then find the number.
Answer» Question 111 Solve the following question: A decimal number is multiplied by itself. If the product is 51.84, then find the number.

10881.

Question 111Solve the following question:A decimal number is multiplied by itself. If the product is 51.84, then find the number.

Answer»

Question 111

Solve the following question:

A decimal number is multiplied by itself. If the product is 51.84, then find the number.

Discussion

10882.	Find the length of edge of the cube, if its total surface area is 2400 sq.cm.
Answer» Find the length of edge of the cube, if its total surface area is 2400 sq.cm.

Discussion

10883.	Last year the cost of oranges was ₹ 48 per dozen. This year the price is ₹ 20 per Score. Find the percentage change in the price of oranges. (1 score = 20 units)
Answer» Last year the cost of oranges was ₹ 48 per dozen. This year the price is ₹ 20 per Score. Find the percentage change in the price of oranges. (1 score = 20 units)

Discussion

10884.	(9×15)+(9×5)= __________.
Answer» $(9 \times \frac{1}{5}) + (9 \times 5) =$ __________.

Discussion

10885.	Draw ∠ABC = 120°. Bisect the angle using a ruler and compasses only. Measure each angle so obtained and check whether the angles obtained on bisecting ∠ABC are equal or not.
Answer» Draw ∠ABC = 120°. Bisect the angle using a ruler and compasses only. Measure each angle so obtained and check whether the angles obtained on bisecting ∠ABC are equal or not.

Discussion

10886.	𝑥 varies inversely as 𝑦, and when 𝑥 = 15, 𝑦 = 10. Then, if 𝑥 = 20, 𝑦 = _____.
Answer» 𝑥 varies inversely as 𝑦, and when 𝑥 = 15, 𝑦 = 10. Then, if 𝑥 = 20, 𝑦 = _____.

Discussion

10887.	Write four equivalent fractions of 49
Answer» $Write four equivalent fractions of 49$

Discussion

10888.	Express the following percentages in fractions and decimals.
Answer» Express the following percentages in fractions and decimals.

10888.

Express the following percentages in fractions and decimals.

Answer»

Express the following percentages in fractions and decimals.

Discussion

10889.	Identify the value of x in the equation xx−a+xx−b=2.
Answer» Identify the value of x in the equation $\frac{x}{x - a} + \frac{x}{x - b} = 2$ .

Discussion

10890.	Let M={A=(abcd):a,b,c,d∈{±3,±2,±1,0}}. Define f:M→Z, as f(A)=det(A), for all A∈M, where Z is set of all integers. Then the number of A∈M such that f(A)=15 is equal to
Answer» Let $M = {\begin{matrix} A = (\begin{matrix} a & b c & d \end{matrix}) : a, b, c, d \in {\pm 3, \pm 2, \pm 1, 0} \end{matrix}} .$ Define $f : M \to Z,$ as $f (A) = det (A)$ , for all $A \in M$ , where $Z$ is set of all integers. Then the number of $A \in M$ such that $f (A) = 15$ is equal to

Discussion

10891.	40. In the figure, triangle PQR is right angled at Q. QS is an attitude to side PR. Circles with centres X and Y are inscribed in a traingle PQS and traingle RQS respectively. Find XY SQUARE.
Answer» 40. In the figure, triangle PQR is right angled at Q. QS is an attitude to side PR. Circles with centres X and Y are inscribed in a traingle PQS and traingle RQS respectively. Find XY SQUARE.

Discussion

10892.	Write the following as decimal:Two tens and nine-tenths
Answer» Write the following as decimal: Two tens and nine-tenths

10892.

Write the following as decimal:Two tens and nine-tenths

Answer»

Write the following as decimal:

Two tens and nine-tenths

Discussion

10893.	The number of possible digits for x such that 10x78x is divisible by 3?
Answer» The number of possible digits for x such that 10x78x is divisible by 3?

Discussion

10894.	Change the statements, converting expressions into statements in ordinary language: Question 75 A pencil costs Rs. p and a pen costs Rs. 5 p
Answer» Change the statements, converting expressions into statements in ordinary language: Question 75 A pencil costs Rs. p and a pen costs Rs. 5 p

10894.

Change the statements, converting expressions into statements in ordinary language: Question 75 A pencil costs Rs. p and a pen costs Rs. 5 p

Answer»

Change the statements, converting expressions into statements in ordinary language:

Question 75

A pencil costs Rs. p and a pen costs Rs. 5 p

Discussion

10895.	Question 113 In an entertainment programme, 250 tickets of ₹ 400 and 500 tickets of ₹ 100 were sold. If the entertainment tax is 40% on a ticket of ₹ 400 and 20% on a ticket of ₹ 100, then find how much entertainment tax was collected from the programme?
Answer» Question 113 In an entertainment programme, 250 tickets of ₹ 400 and 500 tickets of ₹ 100 were sold. If the entertainment tax is 40% on a ticket of ₹ 400 and 20% on a ticket of ₹ 100, then find how much entertainment tax was collected from the programme?

10895.

Question 113 In an entertainment programme, 250 tickets of ₹ 400 and 500 tickets of ₹ 100 were sold. If the entertainment tax is 40% on a ticket of ₹ 400 and 20% on a ticket of ₹ 100, then find how much entertainment tax was collected from the programme?

Answer»

Question 113

In an entertainment programme, 250 tickets of ₹ 400 and 500 tickets of ₹ 100 were sold. If the entertainment tax is 40% on a ticket of ₹ 400 and 20% on a ticket of ₹ 100, then find how much entertainment tax was collected from the programme?

Discussion

10896.	Soham bought a sofa for Rs 6500. If he pays an interest of Rs 975 for 3 years, find the rate of interest. [3 MARKS]
Answer» Soham bought a sofa for Rs 6500. If he pays an interest of Rs 975 for 3 years, find the rate of interest. [3 MARKS]

Discussion

10897.	If an equilateral triangle is inscribed in a circle of radius 10 cm, then the side of the triangle is (1) 10\sqrt3 cm (2) \sqrt3 cm (3) 10 m (4) 15\sqrt{} cm
Answer» If an equilateral triangle is inscribed in a circle of radius 10 cm, then the side of the triangle is (1) 10\sqrt3 cm (2) \sqrt3 cm (3) 10 m (4) 15\sqrt{} cm

Discussion

10898.	What is the rational number whose numerator is the largest 3-digit natural number and the denominator is the smallest 5-digit whole number?
Answer» What is the rational number whose numerator is the largest 3-digit natural number and the denominator is the smallest 5-digit whole number?

Discussion

10899.	Question 3(iv) Express the following numbers in standard form: (iv) 3,90,878
Answer» Question 3(iv) Express the following numbers in standard form: (iv) 3,90,878

Discussion

10900.	We already know the rule for the pattern of letters L, C and F. Some of the letters from some of the letters out of (a) T, (b) Z, (c) U, (d) V, (e) E, (f) S, (g) R give us the same rule as that given by L. Which are these? Why does this happen?
Answer» We already know the rule for the pattern of letters L, C and F. Some of the letters from some of the letters out of (a) T, (b) Z, (c) U, (d) V, (e) E, (f) S, (g) R give us the same rule as that given by L. Which are these? Why does this happen?

Discussion

Explore topic-wise InterviewSolutions in .

If two sides are equal the third side would also be equal

Burst the angles that can be drawn using set squares?

Sarita bought eggs at Rs.8.40 a dozen. At what price per hundred must she sell them so as to earn a profit of 15%

4.The sum of digits of two digit number is 11. If the digit at ten's place is increased by 5 and the digit at unit's place is decreased by 5, the digits of the number are found to be reversed. Find the original number.

Question 18q2=3 has a solution(a) 6(b) 8(c) 3(d) 2

After rotating by 60° about a centre, a figure looks exactly the same as its original position. At what other angles will this happen for the figure?

Total number of girls are 1022 of total number of a group of children and the number of boys are 1222 of total number of the group of children. Numerator of the fraction(lowest form) by which fraction of boys is greater than the fraction of girls in the group is .

If (2)m+1×25=4−2, then the value of m is _____.

In a class of 35 students, 20 students passed and 15 failed in a certain exam. The ratio of the number of passed students to the number of failed students is:

Question 97A recipe for a particular type of muffins requires 1cup of milk and 1.5 cups of chocolates. Riya has 7.5 cups of chocolates. If she is using the recipe as a guide, how many cups of milk will she need to prepare muffins?

In right triangles ABC and DEF, if hypotenuse AB = hypotenuse EF and side AC = side DE, then ΔABC is congruent to

In a parallelogram PQRS, PQ = 12 cm and PS = 9 cm. The bisector of ∠P meets SR in M. PM and QR both when produced meet at T. Find the length of RT.

24. The ratio of the area of circle with centre O and the area of the rectangle ABCD inscribed in it is π :\sqrt{}3 . E is a point on AB such that ∠ADE = ∠ODC. Find AE :AD.

Name the solid whose net is the following:

What is anti fluorite structure?

4/x+y - 3/x-y = 5

2/3 of a consignment was sold at a profit of 6% and rest at a loss of 3%. if there is an overall profit of 540 rupees the value of consignment was

38 is equal to

34.A tube shown is of uniform cross section

If a∶b=2∶ 3and b∶ c=5∶ 7, find a∶ c & a∶ b∶ c.

One day Ted woke up to find himself in the world of numbers. He observed that all of them were counting numbers and the smallest one there was 1. Ted must be in the world of:

If the largest member of the Pythagorean triplet is given to be 17, then find the other two members of the Pythagorean triplet.

A skirt costs ₹1300 and a shirt costs ₹1000. What is the total cost of both the items?

Question 6(iii) The marks (out of 100) obtained by a group of students in a science test are 85, 76, 90, 85, 39, 48, 56, 95, 81 and 75. Find the: Mean marks obtained by the group.

A carpenter had a board which measured 3 m×2 m. She cut out a rectangular piece of 250 cm×90 cm. What is the ratio of the area of a cut-out piece and the remaining piece?

Al fills an ice cream cone to the top edge. The diameter of the ice cream cone is 2 inchesand its height is 6 inches. Don fills a bowl (V = 5 cubic inches) with ice cream. Al has howmuch more ice cream than Don?A) 1.2in3B) 1.28in3C) 1.1in3D) 1in3

Fill in the blanks with suitable answers:(1) The repeated form of multiplication of the same number is …….. .(2) Exponential numbers include …….. and exponents.(3) The number of times the base is multiplied is indicated by …….. .(4) (5)

The value of an integer divided by additive identity is

Select the correct deep drawing of the building based on the given floor plan.

Question 111Solve the following question:A decimal number is multiplied by itself. If the product is 51.84, then find the number.

Find the length of edge of the cube, if its total surface area is 2400 sq.cm.

Last year the cost of oranges was ₹ 48 per dozen. This year the price is ₹ 20 per Score. Find the percentage change in the price of oranges. (1 score = 20 units)

(9×15)+(9×5)= __________.

Draw ∠ABC = 120°. Bisect the angle using a ruler and compasses only. Measure each angle so obtained and check whether the angles obtained on bisecting ∠ABC are equal or not.

𝑥 varies inversely as 𝑦, and when 𝑥 = 15, 𝑦 = 10. Then, if 𝑥 = 20, 𝑦 = _____.

Write four equivalent fractions of 49

Express the following percentages in fractions and decimals.

Identify the value of x in the equation xx−a+xx−b=2.

Let M={A=(abcd):a,b,c,d∈{±3,±2,±1,0}}. Define f:M→Z, as f(A)=det(A), for all A∈M, where Z is set of all integers. Then the number of A∈M such that f(A)=15 is equal to

40. In the figure, triangle PQR is right angled at Q. QS is an attitude to side PR. Circles with centres X and Y are inscribed in a traingle PQS and traingle RQS respectively. Find XY SQUARE.

Write the following as decimal:Two tens and nine-tenths

The number of possible digits for x such that 10x78x is divisible by 3?

Change the statements, converting expressions into statements in ordinary language: Question 75 A pencil costs Rs. p and a pen costs Rs. 5 p

Question 113 In an entertainment programme, 250 tickets of ₹ 400 and 500 tickets of ₹ 100 were sold. If the entertainment tax is 40% on a ticket of ₹ 400 and 20% on a ticket of ₹ 100, then find how much entertainment tax was collected from the programme?

Soham bought a sofa for Rs 6500. If he pays an interest of Rs 975 for 3 years, find the rate of interest. [3 MARKS]

If an equilateral triangle is inscribed in a circle of radius 10 cm, then the side of the triangle is (1) 10\sqrt3 cm (2) \sqrt3 cm (3) 10 m (4) 15\sqrt{} cm

What is the rational number whose numerator is the largest 3-digit natural number and the denominator is the smallest 5-digit whole number?

Question 3(iv) Express the following numbers in standard form: (iv) 3,90,878

We already know the rule for the pattern of letters L, C and F. Some of the letters from some of the letters out of (a) T, (b) Z, (c) U, (d) V, (e) E, (f) S, (g) R give us the same rule as that given by L. Which are these? Why does this happen?