19743 + Interview Questions in Mathematics Page 207 InterviewSolution

10301.	The adjacent angles are in ratio 5 : 3 and form a linear pair , find the value of the angles .
Answer» The adjacent angles are in ratio 5 : 3 and form a linear pair , find the value of the angles .

Discussion

10302.	If 20 circles represent 100 fruits, one circle represents _____ fruits.
Answer» If 20 circles represent 100 fruits, one circle represents _____ fruits.

Discussion

10303.	25−48÷6+12×2=
Answer» $25 - 48 \div 6 + 12 \times 2 =$

Discussion

10304.	Q-In a certain coding language, ZA = 72 and PHA = 52 then SOME will be equal to? a)52 b)61 c)16 d)25
Answer» Q-In a certain coding language, ZA = 72 and PHA = 52 then SOME will be equal to? a)52 b)61 c)16 d)25

Discussion

10305.	Utkarsh pays ₹7500 house rent for 3 months. How much does he pay annually?
Answer» Utkarsh pays ₹7500 house rent for 3 months. How much does he pay annually?

Discussion

10306.	The sides BC, CA and AB of ΔABC are produced in order to form exterior angles ∠ACD, ∠BAF and ∠CBE respectively, then ∠BAF+∠ACD+∠CBE is
Answer» The sides BC, CA and AB of $Δ A B C$ are produced in order to form exterior angles $∠ A C D$ , $∠ B A F$ and $∠ C B E$ respectively, then $∠ B A F + ∠ A C D + ∠ C B E$ is

Discussion

10307.	Question 88(vi) The data given below shows the production of motorbikes in a factory for some months of two consecutive years. Study the table given above and answer the following questions: In which month of the year 2007, the production was the least?
Answer» Question 88(vi) The data given below shows the production of motorbikes in a factory for some months of two consecutive years. Study the table given above and answer the following questions: In which month of the year 2007, the production was the least?

Discussion

10308.	If a dice is thrown twice, find the probability of getting two 5's.
Answer» If a dice is thrown twice, find the probability of getting two 5's.

Discussion

10309.	What will be the unit digit of square of 34?
Answer» What will be the unit digit of square of 34?

Discussion

10310.	Question 2(b)Write True (T) or False (F) against each of the following statements:21:6::35:10
Answer» Question 2(b) Write True (T) or False (F) against each of the following statements: $21 : 6 :: 35 : 10$

10310.

Question 2(b)Write True (T) or False (F) against each of the following statements:21:6::35:10

Answer»

Question 2(b)

Write True (T) or False (F) against each of the following statements:

$21 : 6 :: 35 : 10$

Discussion

10311.	Find the values of the angles x, y and z in the following figure.
Answer» Find the values of the angles x, y and z in the following figure.

Discussion

10312.	46. The circumcenter of a triangle ABC is O. Prove that angle OBC + angle BAC =90^°
Answer» 46. The circumcenter of a triangle ABC is O. Prove that angle OBC + angle BAC =90^°

Discussion

10313.	How many three digit numbers can be formed using the digits 2,3,6,7,9 with repetition?
Answer» How many three digit numbers can be formed using the digits $2, 3, 6, 7, 9$ with repetition?

Discussion

10314.	Question 57 (g) Add the following expression: uv - vw, vw - wu and wu-uv
Answer» Question 57 (g) Add the following expression: uv - vw, vw - wu and wu-uv

10314.

Question 57 (g) Add the following expression: uv - vw, vw - wu and wu-uv

Answer»

Question 57 (g)

Add the following expression:

uv - vw, vw - wu and wu-uv

Discussion

10315.	Select an appropriate verb in the present tense for the blank. He ____ a fight without any cause.
Answer» Select an appropriate verb in the present tense for the blank. He ____ a fight without any cause.

10315.

Select an appropriate verb in the present tense for the blank. He ____ a fight without any cause.

Answer»

Select an appropriate verb in the present tense for the blank.

He ____ a fight without any cause.

Discussion

10316.	Division of a whole number p by a fraction A is the same as multiplying p by ___.
Answer» Division of a whole number $p$ by a fraction $A$ is the same as multiplying $p$ by ___.

Discussion

10317.	Question 62In questions which of the following vary directly and which vary inversely with each other and which are neither of the two?(i) The quantity of rice and its cost.(ii) The height of a tree and the number of years.(iii) Increase in cost and number of shirts that can be purchased, if the budget remains the same.(iv) Area of land and its cost.(v) Sales tax and the amount of the bill.
Answer» Question 62 In questions which of the following vary directly and which vary inversely with each other and which are neither of the two? (i) The quantity of rice and its cost. (ii) The height of a tree and the number of years. (iii) Increase in cost and number of shirts that can be purchased, if the budget remains the same. (iv) Area of land and its cost. (v) Sales tax and the amount of the bill.

10317.

Question 62In questions which of the following vary directly and which vary inversely with each other and which are neither of the two?(i) The quantity of rice and its cost.(ii) The height of a tree and the number of years.(iii) Increase in cost and number of shirts that can be purchased, if the budget remains the same.(iv) Area of land and its cost.(v) Sales tax and the amount of the bill.

Answer»

Question 62

In questions which of the following vary directly and which vary inversely with each other and which are neither of the two?

(i) The quantity of rice and its cost.

(ii) The height of a tree and the number of years.

(iii) Increase in cost and number of shirts that can be purchased, if the budget remains the same.

(iv) Area of land and its cost.

(v) Sales tax and the amount of the bill.

Discussion

10318.	From the sum of 3x - y + 11 and -y - 11, subtract 3x – y – 11.
Answer» From the sum of 3x - y + 11 and -y - 11, subtract 3x – y – 11.

Discussion

10319.	The x and y axes divide the Cartesian plane into four regions, which are known as
Answer» The $x$ and $y$ axes divide the Cartesian plane into four regions, which are known as

Discussion

10320.	Question 3(ii) Solve the following : Laxmi’s father is 49 years old. He is 4 years older than three times Laxmi’s age . What is Laxmi’s age?
Answer» Question 3(ii) Solve the following : Laxmi’s father is 49 years old. He is 4 years older than three times Laxmi’s age . What is Laxmi’s age?

Discussion

10321.	How much does the area of a square reduce with respect to its original area when the length of its side is halved?
Answer» How much does the area of a square reduce with respect to its original area when the length of its side is halved?

Discussion

10322.	How many identical square surfaces are there in a cube?
Answer» How many identical square surfaces are there in a cube?

Discussion

10323.	A bowl contains 6 cups of pancake batter. A cook pours out 8 fl oz of the batter to make a delicious pancake. The batter remaining in the bowl(in cups) is
Answer» A bowl contains 6 cups of pancake batter. A cook pours out 8 fl oz of the batter to make a delicious pancake. The batter remaining in the bowl(in cups) is

Discussion

10324.	16. If a ladder of length 40m, leaning against a wall makes an angle of 30^° with the ground, then the height from the ground where the ladder meets the wall will be a) 20m b)10m c)203m d)103m
Answer» 16. If a ladder of length 40m, leaning against a wall makes an angle of 30^° with the ground, then the height from the ground where the ladder meets the wall will be a) 20m b)10m c)203m d)103m

Discussion

10325.	A helicopter is flying at a height of 1500 m. There is a helipad which is just below the helicopter at a height of 600 m from the ground. Taking upward movement of the helicopter as positive and downward movement as negative. Find the distance of helipad from the helicopter? How much time will it take for the helicopter to reach the helipad if the speed of the helicopter is 50 meters per second? [4 MARKS]
Answer» A helicopter is flying at a height of 1500 m. There is a helipad which is just below the helicopter at a height of 600 m from the ground. Taking upward movement of the helicopter as positive and downward movement as negative. Find the distance of helipad from the helicopter? How much time will it take for the helicopter to reach the helipad if the speed of the helicopter is 50 meters per second? [4 MARKS]

Discussion

10326.	Solve the following problems.At what percent per annum will Rs. 3,400 yield an interest of Rs. 1,700 in 5 years?
Answer» Solve the following problems. At what percent per annum will Rs. 3,400 yield an interest of Rs. 1,700 in 5 years?

10326.

Solve the following problems.At what percent per annum will Rs. 3,400 yield an interest of Rs. 1,700 in 5 years?

Answer»

Solve the following problems.

At what percent per annum will Rs. 3,400 yield an interest of Rs. 1,700 in 5 years?

Discussion

10327.	The lateral surface area of a triangular prism is 240 cm2 and its base is an equilateral triangle of side 10 cm. What will be its total surface area?
Answer» The lateral surface area of a triangular prism is $240$ cm $^{2}$ and its base is an equilateral triangle of side $10$ cm. What will be its total surface area?

Discussion

10328.	How many terms are there in the algebraic expression 5x+4y−20?
Answer» How many terms are there in the algebraic expression $5 x + 4 y - 20 ?$

Discussion

10329.	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 ____

10329.

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

10330.	Find the arithmetic mean of 2, 4, 6, 8, 10.
Answer» Find the arithmetic mean of 2, 4, 6, 8, 10.

Discussion

10331.	Represent 34 + 58 in decimals.
Answer» Represent $\frac{3}{4}$ + $\frac{5}{8}$ in decimals.

Discussion

10332.	A set of all the possible outcomes of a random experiment is known as .
Answer» A set of all the possible outcomes of a random experiment is known as .

Discussion

10333.	Question 101Find the value of x−3,ifx=(100)1−4÷(100)0.
Answer» Question 101 Find the value of $x^{- 3}, i f x = (100)^{1 - 4} \div (100)^{0} .$

10333.

Question 101Find the value of x−3,ifx=(100)1−4÷(100)0.

Answer»

Question 101

Find the value of $x^{- 3}, i f x = (100)^{1 - 4} \div (100)^{0} .$

Discussion

10334.	Arithmetic mean of 5 numbers in a series is 16. If 2 numbers (The mean number) are removed from this series and replaced with 20 and 24 , what will be the new mean?
Answer» Arithmetic mean of 5 numbers in a series is 16. If 2 numbers (The mean number) are removed from this series and replaced with 20 and 24 , what will be the new mean?

10334.

Arithmetic mean of 5 numbers in a series is 16. If 2 numbers (The mean number) are removed from this series and replaced with 20 and 24 , what will be the new mean?

Answer»

Arithmetic mean of 5 numbers in a series is 16. If 2 numbers (The mean number) are removed from this series and replaced with 20 and 24 ,

what will be the new mean?

Discussion

10335.	7. Visualise 3.765 on the number line,
Answer» 7. Visualise 3.765 on the number line,

Discussion

10336.	Question 102 In the given figure, l \|\| m and line t intersect these lines at P and Q respectively. Find the sum 2a + b.
Answer» Question 102 In the given figure, l \|\| m and line t intersect these lines at P and Q respectively. Find the sum 2a + b.

10336.

Question 102 In the given figure, l || m and line t intersect these lines at P and Q respectively. Find the sum 2a + b.

Answer»

Question 102

In the given figure, l || m and line t intersect these lines at P and Q respectively. Find the sum 2a + b.

Discussion

10337.	Compare the following numbers.(1) −7, −2(2) 0, −95(3) 87, 0(4) −54, 14(5) 4029, 14129(6) −1720, −1320(7) 1512, 716(8) −258, −94(9) 1215, 35(10) −711, −34
Answer» Compare the following numbers. (1) −7, −2 (2) 0, $\frac{- 9}{5}$ (3) $\frac{8}{7}$ , 0 (4) $\frac{- 5}{4}$ , $\frac{1}{4}$ (5) $\frac{40}{29}$ , $\frac{141}{29}$ (6) − $\frac{17}{20}$ , $\frac{- 13}{20}$ (7) $\frac{15}{12}$ , $\frac{7}{16}$ (8) $\frac{- 25}{8}$ , $\frac{- 9}{4}$ (9) $\frac{12}{15}$ , $\frac{3}{5}$ (10) $\frac{- 7}{11}$ , $\frac{- 3}{4}$

Discussion

10338.	1.23= ___
Answer» ${1.2}^{3}$ = ___

Discussion

10339.	p and q were picked out of the number line, where p was lying to the right of q. Then,
Answer» $p$ and $q$ were picked out of the number line, where $p$ was lying to the right of $q$ . Then,

Discussion

10340.	a ÷ (-1) = (-83)
Answer» a $\div$ (-1) = (-83)

Discussion

10341.	If A = {1, 4, 9, 16} then n (A) = _____
Answer» If A = {1, 4, 9, 16} then n (A) = _____

Discussion

10342.	Which of the following are true?
Answer» Which of the following are true?

Discussion

10343.	Use long division method to calculate the square root of 6724.
Answer» Use long division method to calculate the square root of 6724.

Discussion

10344.	The angular speed of a flywheel making 210 revolutions per minute is:
Answer» The angular speed of a flywheel making 210 revolutions per minute is:

Discussion

10345.	In the given series 12,23,34,56,..... if we continue further, would we get 100 ?
Answer» In the given series 12,23,34,56,..... if we continue further, would we get 100 ?

Discussion

10346.	The product 23.24.3212 is equal to ________.
Answer» The product $\sqrt[3]{2} . \sqrt[4]{2} . \sqrt[12]{32}$ is equal to ________.

Discussion

10347.	An idol 30m tall stands on a pillar 15m high. Find the angle in degrees which the idol subtends at a point distant 15\sqrt{ m from the base of the pillar
Answer» An idol 30m tall stands on a pillar 15m high. Find the angle in degrees which the idol subtends at a point distant 15\sqrt{ m from the base of the pillar

Discussion

10348.	Draw an angle of 80∘ using a protractor and divide it into four equal parts, using ruler and compass. Check your constuction by measurement.
Answer» Draw an angle of $80^{\circ}$ using a protractor and divide it into four equal parts, using ruler and compass. Check your constuction by measurement.

Discussion

10349.	The area of the triangle which is formed by the vertices ABC is
Answer» The area of the triangle which is formed by the vertices ABC is

10349.

The area of the triangle which is formed by the vertices ABC is

Answer»

The area of the triangle which is formed by the vertices ABC is

Discussion

10350.	What is the perimeter of square ?
Answer» What is the perimeter of square ?

Discussion

Explore topic-wise InterviewSolutions in .

The adjacent angles are in ratio 5 : 3 and form a linear pair , find the value of the angles .

If 20 circles represent 100 fruits, one circle represents _____ fruits.

25−48÷6+12×2=

Q-In a certain coding language, ZA = 72 and PHA = 52 then SOME will be equal to? a)52 b)61 c)16 d)25

Utkarsh pays ₹7500 house rent for 3 months. How much does he pay annually?

The sides BC, CA and AB of ΔABC are produced in order to form exterior angles ∠ACD, ∠BAF and ∠CBE respectively, then ∠BAF+∠ACD+∠CBE is

Question 88(vi) The data given below shows the production of motorbikes in a factory for some months of two consecutive years. Study the table given above and answer the following questions: In which month of the year 2007, the production was the least?

If a dice is thrown twice, find the probability of getting two 5's.

What will be the unit digit of square of 34?

Question 2(b)Write True (T) or False (F) against each of the following statements:21:6::35:10

Find the values of the angles x, y and z in the following figure.

46. The circumcenter of a triangle ABC is O. Prove that angle OBC + angle BAC =90^°

How many three digit numbers can be formed using the digits 2,3,6,7,9 with repetition?

Question 57 (g) Add the following expression: uv - vw, vw - wu and wu-uv

Select an appropriate verb in the present tense for the blank. He ____ a fight without any cause.

Division of a whole number p by a fraction A is the same as multiplying p by ___.

From the sum of 3x - y + 11 and -y - 11, subtract 3x – y – 11.

The x and y axes divide the Cartesian plane into four regions, which are known as

Question 3(ii) Solve the following : Laxmi’s father is 49 years old. He is 4 years older than three times Laxmi’s age . What is Laxmi’s age?

How much does the area of a square reduce with respect to its original area when the length of its side is halved?

How many identical square surfaces are there in a cube?

A bowl contains 6 cups of pancake batter. A cook pours out 8 fl oz of the batter to make a delicious pancake. The batter remaining in the bowl(in cups) is

16. If a ladder of length 40m, leaning against a wall makes an angle of 30^° with the ground, then the height from the ground where the ladder meets the wall will be a) 20m b)10m c)203m d)103m

Solve the following problems.At what percent per annum will Rs. 3,400 yield an interest of Rs. 1,700 in 5 years?

The lateral surface area of a triangular prism is 240 cm2 and its base is an equilateral triangle of side 10 cm. What will be its total surface area?

How many terms are there in the algebraic expression 5x+4y−20?

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

Find the arithmetic mean of 2, 4, 6, 8, 10.

Represent 34 + 58 in decimals.

A set of all the possible outcomes of a random experiment is known as .

Question 101Find the value of x−3,ifx=(100)1−4÷(100)0.

Arithmetic mean of 5 numbers in a series is 16. If 2 numbers (The mean number) are removed from this series and replaced with 20 and 24 , what will be the new mean?

7. Visualise 3.765 on the number line,

Question 102 In the given figure, l || m and line t intersect these lines at P and Q respectively. Find the sum 2a + b.

Compare the following numbers.(1) −7, −2(2) 0, −95(3) 87, 0(4) −54, 14(5) 4029, 14129(6) −1720, −1320(7) 1512, 716(8) −258, −94(9) 1215, 35(10) −711, −34

1.23= ___

p and q were picked out of the number line, where p was lying to the right of q. Then,

a ÷ (-1) = (-83)

If A = {1, 4, 9, 16} then n (A) = _____

Which of the following are true?

Use long division method to calculate the square root of 6724.

The angular speed of a flywheel making 210 revolutions per minute is:

In the given series 12,23,34,56,..... if we continue further, would we get 100 ?

The product 23.24.3212 is equal to ________.

An idol 30m tall stands on a pillar 15m high. Find the angle in degrees which the idol subtends at a point distant 15\sqrt{ m from the base of the pillar

Draw an angle of 80∘ using a protractor and divide it into four equal parts, using ruler and compass. Check your constuction by measurement.

The area of the triangle which is formed by the vertices ABC is

What is the perimeter of square ?