19743 + Interview Questions in Mathematics Page 23 InterviewSolution

1101.	Karan solves a question in 15 seconds. One of his friends challenges him that he can complete the work in one-fourth of the time that Karan takes. What is the time taken by Karan's friend to complete the work? [1 MARK]
Answer» Karan solves a question in 15 seconds. One of his friends challenges him that he can complete the work in one-fourth of the time that Karan takes. What is the time taken by Karan's friend to complete the work? [1 MARK]

Discussion

1102.	Convert the given decimal fractions to per cents.(a) 0.65(b) 2.1(c) 0.02(d) 12.35
Answer» Convert the given decimal fractions to per cents. (a) $0.65$ (b) $2.1$ (c) $0.02$ (d) $12.35$

1102.

Convert the given decimal fractions to per cents.(a) 0.65(b) 2.1(c) 0.02(d) 12.35

Answer»

Convert the given decimal fractions to per cents.

(a) $0.65$

(b) $2.1$

(c) $0.02$

(d) $12.35$

Discussion

1103.	The general form of a quadratic polynomial in the variable x is:
Answer» The general form of a quadratic polynomial in the variable $x$ is:

Discussion

1104.	323×35 =
Answer» $3 \frac{2}{3} \times \frac{3}{5}$ =

Discussion

1105.	Saili plants 4 saplings, in a row, in her garden. The distance between two adjacent saplings is 34 m. Find the distance between the first and the last sapling.
Answer» Saili plants $4$ saplings, in a row, in her garden. The distance between two adjacent saplings is $\frac{3}{4} m .$ Find the distance between the first and the last sapling.

Discussion

1106.	Mr Saxena is a dealer of used cars. He purchased a car for ₹75,000 and then spent ₹7,000 in servicing it and ₹16,500 in painting it. He expects a profit ₹15,000 on selling the car. What should be the selling price?
Answer» Mr Saxena is a dealer of used cars. He purchased a car for ₹75,000 and then spent ₹7,000 in servicing it and ₹16,500 in painting it. He expects a profit ₹15,000 on selling the car. What should be the selling price?

Discussion

1107.	Question 3(b) Is the following statement True or False: 7.5 litres : 15 litres = 5 kg : 10 kg
Answer» Question 3(b) Is the following statement True or False: 7.5 litres : 15 litres = 5 kg : 10 kg

1107.

Question 3(b) Is the following statement True or False: 7.5 litres : 15 litres = 5 kg : 10 kg

Answer»

Question 3(b)

Is the following statement True or False:

7.5 litres : 15 litres = 5 kg : 10 kg

Discussion

1108.	Question 1 (i)Sides of a triangle are given below. Determine whether it forms a right triangle? In case of a right triangle, write the length of its hypotenuse.(i) 7 cm, 24 cm, 25 cm
Answer» Question 1 (i) Sides of a triangle are given below. Determine whether it forms a right triangle? In case of a right triangle, write the length of its hypotenuse. (i) 7 cm, 24 cm, 25 cm

Discussion

1109.	An equivalent fraction of 34, with a denominator more than 6 is
Answer» $An equivalent fraction of 34, with a denominator more than 6 is$

Discussion

1110.	16.Why the magnitude of 2 anti parallel vector is -AB in dot product
Answer» 16.Why the magnitude of 2 anti parallel vector is -AB in dot product

Discussion

1111.	P and Q are two points on the sides AB and AC respectively of triangle ABC, such that AP=3.5cm ,PB =7 cm , AQ= 3cm and QC=6cm. If P =4.5cm,find BC
Answer» P and Q are two points on the sides AB and AC respectively of triangle ABC, such that AP=3.5cm ,PB =7 cm , AQ= 3cm and QC=6cm. If P =4.5cm,find BC

Discussion

1112.	Examine if the following are true statements: (i) The cube can cast a shadow in the shape of a rectangle. (ii) The cube can cast a shadow in the shape of a hexagon.
Answer» Examine if the following are true statements: (i) The cube can cast a shadow in the shape of a rectangle. (ii) The cube can cast a shadow in the shape of a hexagon.

1112.

Examine if the following are true statements: (i) The cube can cast a shadow in the shape of a rectangle. (ii) The cube can cast a shadow in the shape of a hexagon.

Answer»

Examine if the
following are true statements:

(i) The cube can cast a
shadow in the shape of a rectangle.

(ii) The cube can cast
a shadow in the shape of a hexagon.

Discussion

1113.	Why isn't there ones place in whole number part of decimals
Answer» Why isn't there ones place in whole number part of decimals

Discussion

1114.	In the figure shown, if BE∥DCand∠EBD=∠EBA, then BD = ___.
Answer» In the figure shown, if $B E ∥ D C a n d ∠ E B D = ∠ E B A$ , then BD = ___.

1114.

In the figure shown, if BE∥DCand∠EBD=∠EBA, then BD = ___.

Answer»

In the figure shown, if $B E ∥ D C a n d ∠ E B D = ∠ E B A$ , then BD = ___.

Discussion

1115.	If 378 is taken away from 645, then the difference will be equal to
Answer» If $378$ is taken away from $645$ , then the difference will be equal to

Discussion

1116.	Two and a half liters of paint are used to cover 725 m2 of area. How much will be required to paint 2001 m2 of area ?
Answer» Two and a half liters of paint are used to cover $725 m^{2}$ of area. How much will be required to paint $2001 m^{2}$ of area ?

Discussion

1117.	In Figure,, the sides BC, CA and BA of a ΔABC have been produced to D, E and F respectively. If∠ACD=105∘ and ∠EAF=45∘; find all the angles of the ΔABC..
Answer» In Figure,, the sides BC, CA and BA of a $Δ A B C$ have been produced to D, E and F respectively. If $∠ A C D = 105^{\circ} a n d ∠ E A F = 45^{\circ};$ find all the angles of the $Δ A B C . .$

Discussion

1118.	Shivangi is suffering from anaemia as haemoglobin level in her blood is lower than the normal range. A doctor advised her to take one iron tablet two times in a day. If the cost of 10 tablets is ₹17, then what amount will she be required to pay for her medical bill for 15 days?
Answer» Shivangi is suffering from anaemia as haemoglobin level in her blood is lower than the normal range. A doctor advised her to take one iron tablet two times in a day. If the cost of 10 tablets is ₹17, then what amount will she be required to pay for her medical bill for 15 days?

Discussion

1119.	what is total internal reflection and TIR?
Answer» what is total internal reflection and TIR?

Discussion

1120.	Question 144 (i) ABC is an isosceles triangle with AB = AC and D is the mid-point of base BC (see the figure) State three pairs of equal parts in the ΔABD and ΔACD
Answer» Question 144 (i) ABC is an isosceles triangle with AB = AC and D is the mid-point of base BC (see the figure) State three pairs of equal parts in the $Δ A B D$ and $Δ A C D$

1120.

Question 144 (i) ABC is an isosceles triangle with AB = AC and D is the mid-point of base BC (see the figure) State three pairs of equal parts in the ΔABD and ΔACD

Answer»

Question 144 (i)

ABC is an isosceles triangle with AB = AC and D is the mid-point of base BC (see the figure)
State three pairs of equal parts in the $Δ A B D$ and $Δ A C D$

Discussion

1121.	A ray OC is constructed on the line segment AB such that ∠BOC is x∘. ∠AOC is ____
Answer» A ray OC is constructed on the line segment AB such that ∠BOC is x $^{\circ}$ . ∠AOC is ____

1121.

A ray OC is constructed on the line segment AB such that ∠BOC is x∘. ∠AOC is ____

Answer»

A ray OC is constructed on the line segment AB such that ∠BOC is x $^{\circ}$ . ∠AOC is ____

Discussion

1122.	Question 4Write the degree of each of the following polynomials:(i) 5x3+4x2+7x(ii) 4−y2(iii) 5t−√7(iv) 3
Answer» Question 4 Write the degree of each of the following polynomials: (i) $5 x^{3} + 4 x^{2} + 7 x$ (ii) $4 - y^{2}$ (iii) $5 t - \sqrt{7}$ (iv) 3

Discussion

1123.	The length and breadth of a rectangular field is in the ratio 4:3.if the area is 3072 meter square,find the cost of fencing it at the rate of ₹4 per meter. Explain in step by step procedure.
Answer» The length and breadth of a rectangular field is in the ratio 4:3.if the area is 3072 meter square,find the cost of fencing it at the rate of ₹4 per meter. Explain in step by step procedure.

Discussion

1124.	Question 43Which of the following is not true for an exterior angle of a regular polygon with n sides?a) Each exterior angle =360∘nb) Exterior angle =180∘ - Interior anglec) n=360∘Exterior angled) Each exterior angle =(n−2)×180∘n
Answer» Question 43 Which of the following is not true for an exterior angle of a regular polygon with n sides? a) Each exterior angle $= \frac{360^{\circ}}{n}$ b) Exterior angle $= 180^{\circ}$ - Interior angle c) $n = \frac{360^{\circ}}{E x t e r i o r a n g l e}$ d) Each exterior angle $= \frac{(n - 2) \times 180^{\circ}}{n}$

Discussion

1125.	If there is a discount of 40% on an article costing Rs. 7000, then the price after discount is:
Answer» If there is a discount of $40 %$ on an article costing $R s . 7000,$ then the price after discount is:

Discussion

1126.	Sum of two numbers is 35 and their difference is 13. Find the smaller number.11
Answer» Sum of two numbers is 35 and their difference is 13. Find the smaller number. 11

Discussion

1127.	Michael works at a coffee shop and gets $1.5 per hour. He works daily for 3 hours. Find the money earned (in $) by Michael in a week.
Answer» Michael works at a coffee shop and gets $1.5 per hour. He works daily for 3 hours. Find the money earned (in $) by Michael in a week.

Discussion

1128.	What is the value of the expression 12.52×82?
Answer» What is the value of the expression ${12.5}^{2} \times 8^{2}$ ?

Discussion

1129.	17. Δ ABC is an isosceles triangle with AB=AC . A circle through B touches AC at D such that AD=DC and intersects AB at P . Prove that AB=4AP.
Answer» 17. Δ ABC is an isosceles triangle with AB=AC . A circle through B touches AC at D such that AD=DC and intersects AB at P . Prove that AB=4AP.

Discussion

1130.	Find the value of x which satisfies the given equation. 3x+5=17
Answer» Find the value of x which satisfies the given equation. $3 x + 5 = 17$

Discussion

1131.	Question 1(a)Determine if the following are in proportion:15, 45, 40, 120
Answer» Question 1(a) Determine if the following are in proportion: 15, 45, 40, 120

1131.

Question 1(a)Determine if the following are in proportion:15, 45, 40, 120

Answer»

Question 1(a)

Determine if the following are in proportion:

15, 45, 40, 120

Discussion

1132.	Question 3A child says that the median of 3, 14, 18, 20 and 5 is 18. What does the child not understand about finding the median?
Answer» Question 3 A child says that the median of 3, 14, 18, 20 and 5 is 18. What does the child not understand about finding the median?

Discussion

1133.	A gold mine worker works 30 feet down. Which of the following integer on the number line best expresses the movement of the worker?
Answer» A gold mine worker works $30$ feet down. Which of the following integer on the number line best expresses the movement of the worker $?$

Discussion

1134.	Consider the following set of numbers, If the average of this set is 12, then which of the following option is correct?
Answer» Consider the following set of numbers, If the average of this set is $12$ , then which of the following option is correct?

Discussion

1135.	A die is thrown repeatedly until a six comes up, then the sample space for this experiment is:
Answer» A die is thrown repeatedly until a six comes up, then the sample space for this experiment is:

Discussion

1136.	In a class, there are 40 students. One-fourth of the students are boys, out of these boys one-fifth play basketball and the remaining play football. What is the fraction of boys playing football when compared to the entire class?
Answer» In a class, there are 40 students. One-fourth of the students are boys, out of these boys one-fifth play basketball and the remaining play football. What is the fraction of boys playing football when compared to the entire class?

Discussion

1137.	Find the value of 383.082−303.082.
Answer» Find the value of ${383.08}^{2} - {303.08}^{2}$ .

Discussion

1138.	Ms Anita has to drive from Jhareda to Ganwari. She measures a distance of 3.5 cm betweeen these village on the map. What is the actual distance between the villages, if the map scale is 1 cm= 10 km?
Answer» Ms Anita has to drive from Jhareda to Ganwari. She measures a distance of 3.5 cm betweeen these village on the map. What is the actual distance between the villages, if the map scale is 1 cm= 10 km?

Discussion

1139.	If an alphabet is picked from the word MISSISSIPPI without seeing then what is the probability that alphabet 'I' is picked?
Answer» If an alphabet is picked from the word MISSISSIPPI without seeing then what is the probability that alphabet 'I' is picked?

Discussion

1140.	If A : B = 3 : 5 and B : C = 4 : 7 , find A : B : C.
Answer» If A : B = 3 : 5 and B : C = 4 : 7 , find A : B : C.

Discussion

1141.	Question 38By selling an article for Rs 112000, a girl gains 40%. The cost price of the article was ___
Answer» Question 38 By selling an article for Rs 112000, a girl gains 40%. The cost price of the article was ___

1141.

Question 38By selling an article for Rs 112000, a girl gains 40%. The cost price of the article was ___

Answer»

Question 38

By selling an article for Rs 112000, a girl gains 40%. The cost price of the article was ___

Discussion

1142.	The set-builder form of the set {12,14,18,116,132,164} is
Answer» The set-builder form of the set ${\frac{1}{2}, \frac{1}{4}, \frac{1}{8}, \frac{1}{16}, \frac{1}{32}, \frac{1}{64}}$ is

Discussion

1143.	Mr. Ram Behari has his account at Punjab National Bank, Delhi, According to his Cash Book, his bank balance on 31st March, 2018 was ₹ 72,950. He sent cheques for ₹ 90,075 to his bank for collection but cheques amounted to ₹ 43,769 were not collected by that date. Out of the cheques issued by him in payment of his debts, cheques for ₹ 29,344 were not presented for payment.Prepare Bank Reconcillation Statement and determine the balance as shown by his Pass Book.
Answer» Mr. Ram Behari has his account at Punjab National Bank, Delhi, According to his Cash Book, his bank balance on 31st March, 2018 was ₹ 72,950. He sent cheques for ₹ 90,075 to his bank for collection but cheques amounted to ₹ 43,769 were not collected by that date. Out of the cheques issued by him in payment of his debts, cheques for ₹ 29,344 were not presented for payment. Prepare Bank Reconcillation Statement and determine the balance as shown by his Pass Book.

Discussion

1144.	Express each of the following as a fraction in simplest form.a) 75% b) 120 %
Answer» Express each of the following as a fraction in simplest form. a) 75% b) 120 %

Discussion

1145.	Add 213 to the reciprocal of −2612.
Answer» Add $\frac{2}{13}$ to the reciprocal of $\frac{- 26}{12}$ .

Discussion

1146.	In the following figure, the area of the total cloth required is 80cm2 and the area of the yellow cloth required is 60cm2. If the red colored parts are congruent to each other and the blue cloth is 110th of the yellow cloth, what is the area of the red cloth required?
Answer» In the following figure, the area of the total cloth required is $80 c m^{2}$ and the area of the yellow cloth required is $60 c m^{2}$ . If the red colored parts are congruent to each other and the blue cloth is $\frac{1}{10^{t h}}$ of the yellow cloth, what is the area of the red cloth required?

1146.

In the following figure, the area of the total cloth required is 80cm2 and the area of the yellow cloth required is 60cm2. If the red colored parts are congruent to each other and the blue cloth is 110th of the yellow cloth, what is the area of the red cloth required?

Answer»

In the following figure, the area of the total cloth required is $80 c m^{2}$ and the area of the yellow cloth required is $60 c m^{2}$ . If the red colored parts are congruent to each other and the blue cloth is $\frac{1}{10^{t h}}$ of the yellow cloth, what is the area of the red cloth required?

Discussion

1147.	If △PQR is right angled at Q, then .
Answer» If $△ P Q R$ is right angled at $Q$ , then .

Discussion

1148.	In a triangle two angles are equal. Prove that the triangle's two sides are equal.
Answer» In a triangle two angles are equal. Prove that the triangle's two sides are equal.

Discussion

1149.	The Square of any positive no. is of the form (A)5q +2 (B)4q(C)4q + 1(D)both b and c
Answer» The Square of any positive no. is of the form (A)5q +2 (B)4q (C)4q + 1 (D)both b and c

Discussion

1150.	Mark the correct alternative in each of the following:5 km 5 m = ?(a) 5.5 km (b) 5.05 km (c) 5.005 km (d) 5.0005 km
Answer» Mark the correct alternative in each of the following: 5 km 5 m = ? (a) 5.5 km (b) 5.05 km (c) 5.005 km (d) 5.0005 km

Discussion

Explore topic-wise InterviewSolutions in .

Karan solves a question in 15 seconds. One of his friends challenges him that he can complete the work in one-fourth of the time that Karan takes. What is the time taken by Karan's friend to complete the work? [1 MARK]

Convert the given decimal fractions to per cents.(a) 0.65(b) 2.1(c) 0.02(d) 12.35

The general form of a quadratic polynomial in the variable x is:

323×35 =

Saili plants 4 saplings, in a row, in her garden. The distance between two adjacent saplings is 34 m. Find the distance between the first and the last sapling.

Mr Saxena is a dealer of used cars. He purchased a car for ₹75,000 and then spent ₹7,000 in servicing it and ₹16,500 in painting it. He expects a profit ₹15,000 on selling the car. What should be the selling price?

Question 3(b) Is the following statement True or False: 7.5 litres : 15 litres = 5 kg : 10 kg

Question 1 (i)Sides of a triangle are given below. Determine whether it forms a right triangle? In case of a right triangle, write the length of its hypotenuse.(i) 7 cm, 24 cm, 25 cm

An equivalent fraction of 34, with a denominator more than 6 is

16.Why the magnitude of 2 anti parallel vector is -AB in dot product

P and Q are two points on the sides AB and AC respectively of triangle ABC, such that AP=3.5cm ,PB =7 cm , AQ= 3cm and QC=6cm. If P =4.5cm,find BC

Examine if the following are true statements: (i) The cube can cast a shadow in the shape of a rectangle. (ii) The cube can cast a shadow in the shape of a hexagon.

Why isn't there ones place in whole number part of decimals

In the figure shown, if BE∥DCand∠EBD=∠EBA, then BD = ___.

If 378 is taken away from 645, then the difference will be equal to

Two and a half liters of paint are used to cover 725 m2 of area. How much will be required to paint 2001 m2 of area ?

In Figure,, the sides BC, CA and BA of a ΔABC have been produced to D, E and F respectively. If∠ACD=105∘ and ∠EAF=45∘; find all the angles of the ΔABC..

Shivangi is suffering from anaemia as haemoglobin level in her blood is lower than the normal range. A doctor advised her to take one iron tablet two times in a day. If the cost of 10 tablets is ₹17, then what amount will she be required to pay for her medical bill for 15 days?

what is total internal reflection and TIR?

Question 144 (i) ABC is an isosceles triangle with AB = AC and D is the mid-point of base BC (see the figure) State three pairs of equal parts in the ΔABD and ΔACD

A ray OC is constructed on the line segment AB such that ∠BOC is x∘. ∠AOC is ____

Question 4Write the degree of each of the following polynomials:(i) 5x3+4x2+7x(ii) 4−y2(iii) 5t−√7(iv) 3

The length and breadth of a rectangular field is in the ratio 4:3.if the area is 3072 meter square,find the cost of fencing it at the rate of ₹4 per meter. Explain in step by step procedure. ​​​​​​ ​​

Question 43Which of the following is not true for an exterior angle of a regular polygon with n sides?a) Each exterior angle =360∘nb) Exterior angle =180∘ - Interior anglec) n=360∘Exterior angled) Each exterior angle =(n−2)×180∘n

If there is a discount of 40% on an article costing Rs. 7000, then the price after discount is:

Sum of two numbers is 35 and their difference is 13. Find the smaller number.11

Michael works at a coffee shop and gets $1.5 per hour. He works daily for 3 hours. Find the money earned (in $) by Michael in a week.

What is the value of the expression 12.52×82?

17. Δ ABC is an isosceles triangle with AB=AC . A circle through B touches AC at D such that AD=DC and intersects AB at P . Prove that AB=4AP.

Find the value of x which satisfies the given equation. 3x+5=17

Question 1(a)Determine if the following are in proportion:15, 45, 40, 120

Question 3A child says that the median of 3, 14, 18, 20 and 5 is 18. What does the child not understand about finding the median?

A gold mine worker works 30 feet down. Which of the following integer on the number line best expresses the movement of the worker?

Consider the following set of numbers, If the average of this set is 12, then which of the following option is correct?

A die is thrown repeatedly until a six comes up, then the sample space for this experiment is:

In a class, there are 40 students. One-fourth of the students are boys, out of these boys one-fifth play basketball and the remaining play football. What is the fraction of boys playing football when compared to the entire class?

Find the value of 383.082−303.082.

Ms Anita has to drive from Jhareda to Ganwari. She measures a distance of 3.5 cm betweeen these village on the map. What is the actual distance between the villages, if the map scale is 1 cm= 10 km?

If an alphabet is picked from the word MISSISSIPPI without seeing then what is the probability that alphabet 'I' is picked?

If A : B = 3 : 5 and B : C = 4 : 7 , find A : B : C.

Question 38By selling an article for Rs 112000, a girl gains 40%. The cost price of the article was ___

The set-builder form of the set {12,14,18,116,132,164} is

Express each of the following as a fraction in simplest form.a) 75% b) 120 %

Add 213 to the reciprocal of −2612.

In the following figure, the area of the total cloth required is 80cm2 and the area of the yellow cloth required is 60cm2. If the red colored parts are congruent to each other and the blue cloth is 110th of the yellow cloth, what is the area of the red cloth required?

If △PQR is right angled at Q, then .

In a triangle two angles are equal. Prove that the triangle's two sides are equal.

The Square of any positive no. is of the form (A)5q +2 (B)4q(C)4q + 1(D)both b and c

Mark the correct alternative in each of the following:5 km 5 m = ?(a) 5.5 km (b) 5.05 km (c) 5.005 km (d) 5.0005 km

The length and breadth of a rectangular field is in the ratio 4:3.if the area is 3072 meter square,find the cost of fencing it at the rate of ₹4 per meter. Explain in step by step procedure.