19743 + Interview Questions in Mathematics Page 176 InterviewSolution

8751.	The perimeter of a square of side length 15 cm will be
Answer» The perimeter of a square of side length 15 cm will be

Discussion

8752.	You are at an elevation of 368 m above the sea level as you start the motor ride. During the ride, your elevation changes by the following meters: 544 𝑚, −278 𝑚, 110 𝑚, −132 𝑚, 488 𝑚 𝑎𝑛𝑑 90 𝑚. What is your elevation relative to sea level at the end of the ride? how to solve this please explain.
Answer» You are at an elevation of 368 m above the sea level as you start the motor ride. During the ride, your elevation changes by the following meters: 544 𝑚, −278 𝑚, 110 𝑚, −132 𝑚, 488 𝑚 𝑎𝑛𝑑 90 𝑚. What is your elevation relative to sea level at the end of the ride? how to solve this please explain.

8752.

You are at an elevation of 368 m above the sea level as you start the motor ride. During the ride, your elevation changes by the following meters: 544 𝑚, −278 𝑚, 110 𝑚, −132 𝑚, 488 𝑚 𝑎𝑛𝑑 90 𝑚. What is your elevation relative to sea level at the end of the ride? how to solve this please explain.

Answer»

You are at an elevation of 368 m above the sea level as you start the motor ride. During the ride, your elevation changes by the following meters: 544 𝑚, −278 𝑚, 110 𝑚, −132 𝑚, 488 𝑚 𝑎𝑛𝑑 90 𝑚. What is your elevation relative to sea level at the end of the ride?

how to solve this please explain.

Discussion

8753.	A fraction equivalent to 3045 is(a) 34(b) 32(c) 23(d) None of these
Answer» A fraction equivalent to $\frac{30}{45}$ is (a) $\frac{3}{4}$ (b) $\frac{3}{2}$ (c) $\frac{2}{3}$ (d) None of these

Discussion

8754.	The measures of two vertical angles are (√4x2−30)o and (x2x+10)o.Determine the value of x.
Answer» The measures of two vertical angles are $(\sqrt{4 x^{2}} - 30)^{o}$ and $(\frac{x^{2}}{x} + 10)^{o}$ . Determine the value of $x$ .

Discussion

8755.	5x + 4y + 6pq - 2y + 3x + 4xy - 3pq - 2xy is equal to: [2 MARKS]
Answer» 5x + 4y + 6pq - 2y + 3x + 4xy - 3pq - 2xy is equal to: [2 MARKS]

Discussion

8756.	The solution set of the inequation \|x + 1\| < 3 is __________.
Answer» The solution set of the inequation \|x + 1\| < 3 is __________.

Discussion

8757.	Solve the following.If 8 oxen can plough 45 acres of land in 15 days, then how many acres of land can 12 oxen plough in 9 days?
Answer» Solve the following. If 8 oxen can plough 45 acres of land in 15 days, then how many acres of land can 12 oxen plough in 9 days?

8757.

Solve the following.If 8 oxen can plough 45 acres of land in 15 days, then how many acres of land can 12 oxen plough in 9 days?

Answer»

Solve the following.

If 8 oxen can plough 45 acres of land in 15 days, then how many acres of land can 12 oxen plough in 9 days?

Discussion

8758.	Question 38 State whether the statement given is True or False. Sum of 2 and p is 2p.
Answer» Question 38 State whether the statement given is True or False. Sum of 2 and p is 2p.

8758.

Question 38 State whether the statement given is True or False. Sum of 2 and p is 2p.

Answer»

Question 38

State whether the statement given is True or False.

Sum of 2 and p is 2p.

Discussion

8759.	1+6÷3−(4+5)×7= ____.
Answer» $1 + 6 \div 3 - (4 + 5) \times 7 =$ ____.

Discussion

8760.	Question 57 (f) Add the following expression: p2qr+pq2r+pqr2and−3pq2r−2pqr2
Answer» Question 57 (f) Add the following expression: $p^{2} q r + p q^{2} r + p q r^{2} a n d - 3 p q^{2} r - 2 p q r^{2}$

8760.

Question 57 (f) Add the following expression: p2qr+pq2r+pqr2and−3pq2r−2pqr2

Answer»

Question 57 (f)

Add the following expression:

$p^{2} q r + p q^{2} r + p q r^{2} a n d - 3 p q^{2} r - 2 p q r^{2}$

Discussion

8761.	Divide (x2+3)(x2-3)+9 by x4
Answer» Divide ( $x^{2}$ +3)( $x^{2}$ -3)+9 by $x^{4}$

Discussion

8762.	Four girls (G1,G2,G3,G4) and three boys (B1,B2,B3) are to sit for a dinner such that neither two boys nor two girls sit together. If they are seated in their numerical order, what is the position of B2 and G3?
Answer» Four girls $(G_{1}, G_{2}, G_{3}, G_{4})$ and three boys $(B_{1}, B_{2}, B_{3})$ are to sit for a dinner such that neither two boys nor two girls sit together. If they are seated in their numerical order, what is the position of $B_{2}$ and $G_{3}$ ?

Discussion

8763.	The fraction 1731000 in decimal form is(a) 17.3(b) 1.73(c) 0.173(d) 0.0173
Answer» The fraction $\frac{173}{1000}$ in decimal form is (a) 17.3 (b) 1.73 (c) 0.173 (d) 0.0173

Discussion

8764.	Expand (a − b)2
Answer» Expand (a − b)²

Discussion

8765.	Question 67 (ii)Look at the shapes given below and state if it is a polyhedron using Euler's formula.
Answer» Question 67 (ii) Look at the shapes given below and state if it is a polyhedron using Euler's formula.

Discussion

8766.	A car dealer has 72 BMW and 64 Mercedes in his showroom. The dealer wants to arrange the cars in rows so that each row has the same number of vehicles of each type. What is the greatest possible number of rows that can be formed?
Answer» A car dealer has $72$ BMW and $64$ Mercedes in his showroom. The dealer wants to arrange the cars in rows so that each row has the same number of vehicles of each type. What is the greatest possible number of rows that can be formed?

Discussion

8767.	Significant digit of 0.00000001=?And Significant digit of 5.0000009=?
Answer» Significant digit of 0.00000001=? And Significant digit of 5.0000009=?

Discussion

8768.	Find the difference between the Rational numbers B and A as shown on the number line.
Answer» Find the difference between the Rational numbers B and A as shown on the number line.

8768.

Find the difference between the Rational numbers B and A as shown on the number line.

Answer»

Find the difference between the Rational numbers B and A as shown on the number line.

Discussion

8769.	In the given figure, transversal l intersects two lines m and n, ∠4 = 110° and ∠7 = 65°. Is m \|\| n ?
Answer» In the given figure, transversal l intersects two lines m and n, ∠4 = 110° and ∠7 = 65°. Is m \|\| n ?

Discussion

8770.	Which among the given fractions is an unlike fraction with respect to 45?
Answer» Which among the given fractions is an unlike fraction with respect to $\frac{4}{5}$ ?

Discussion

8771.	Which of the following can be verified for any integer a and b?
Answer» Which of the following can be verified for any integer a and b?

Discussion

8772.	Question 9If ABC is an isosceles triangle in which AC = BC, AD and BE are respectively two altitudes to sides BC and AC, then prove that AE = BD.
Answer» Question 9 If ABC is an isosceles triangle in which AC = BC, AD and BE are respectively two altitudes to sides BC and AC, then prove that AE = BD.

Discussion

8773.	In the following question out of the four options only one is correct, write the correct answer. The digit in the ten's place of a two-digit number is 3 more than the digit in the unit's place. Let the digit at unit's place be b. Then, the number is:(a)11b + 30(b) 10b + 30(c) 11b + 3(d) 10b + 3
Answer» In the following question out of the four options only one is correct, write the correct answer. The digit in the ten's place of a two-digit number is 3 more than the digit in the unit's place. Let the digit at unit's place be b. Then, the number is: (a)11b + 30 (b) 10b + 30 (c) 11b + 3 (d) 10b + 3

8773.

In the following question out of the four options only one is correct, write the correct answer. The digit in the ten's place of a two-digit number is 3 more than the digit in the unit's place. Let the digit at unit's place be b. Then, the number is:(a)11b + 30(b) 10b + 30(c) 11b + 3(d) 10b + 3

Answer»

In the following question out of the four options only one is correct, write the correct answer.

The digit in the ten's place of a two-digit number is 3 more than the digit in the unit's place. Let the digit at unit's place be b. Then, the number is:

(a)11b + 30

(b) 10b + 30

(c) 11b + 3

(d) 10b + 3

Discussion

8774.	The line segment BD = ________ in the given diagram.
Answer» The line segment BD = ________ in the given diagram.

8774.

The line segment BD = ________ in the given diagram.

Answer»

The line segment BD = ________ in the given diagram.

Discussion

8775.	∫(x2+1) (x2+4)(x2+3) (x2-5) dx
Answer» $\int \frac{(x^{2} + 1) (x^{2} + 4)}{(x^{2} + 3) (x^{2} - 5)} d x$

Discussion

8776.	Solve the equation 13(y−4)−3(y−9)−5(y+4)=0.
Answer» Solve the equation $13 (y - 4) - 3 (y - 9) - 5 (y + 4) = 0.$

Discussion

8777.	Two numbers are in the ratio 3 : 5 and their sum is 96. The larger number is(a) 36(b) 42(c) 60(d) 70
Answer» Two numbers are in the ratio 3 : 5 and their sum is 96. The larger number is (a) 36 (b) 42 (c) 60 (d) 70

Discussion

8778.	In figure given below, find the value of ∠1 + ∠2.
Answer» In figure given below, find the value of $∠$ 1 + $∠$ 2.

8778.

In figure given below, find the value of ∠1 + ∠2.

Answer»

In figure given below, find the value of $∠$ 1 + $∠$ 2.

Discussion

8779.	"सोहन बना था शायर।" तुम किसी गज़ल को किसी पुस्तक में पढ़ सकते हो या किसी व्यक्ति द्वारा गाते हुए सुन सकते हो। इसमें से तुम्हें जो भी पसंद हो उसे इकट्ठा करो। उसे तुम समुचित अवसर पर आवश्यकतानुसार गा भी सकते हो।
Answer» "सोहन बना था शायर।" तुम किसी गज़ल को किसी पुस्तक में पढ़ सकते हो या किसी व्यक्ति द्वारा गाते हुए सुन सकते हो। इसमें से तुम्हें जो भी पसंद हो उसे इकट्ठा करो। उसे तुम समुचित अवसर पर आवश्यकतानुसार गा भी सकते हो।

8779.

"सोहन बना था शायर।" तुम किसी गज़ल को किसी पुस्तक में पढ़ सकते हो या किसी व्यक्ति द्वारा गाते हुए सुन सकते हो। इसमें से तुम्हें जो भी पसंद हो उसे इकट्ठा करो। उसे तुम समुचित अवसर पर आवश्यकतानुसार गा भी सकते हो।

Answer»

"सोहन बना था शायर।"

तुम किसी गज़ल को किसी पुस्तक में पढ़ सकते हो या किसी व्यक्ति द्वारा गाते हुए सुन सकते हो। इसमें से तुम्हें जो भी पसंद हो उसे इकट्ठा करो। उसे तुम समुचित अवसर पर आवश्यकतानुसार गा भी सकते हो।

Discussion

8780.	Question 2In ΔABC and ΔPQR,∠A=∠Q and ∠B=∠R, which side of ΔPQR should be equal to side BC of ΔABC, so that the two triangles are congruent? Give reason for your answer.
Answer» Question 2 In $Δ A B C$ and $Δ P Q R, ∠ A = ∠ Q$ and $∠ B = ∠ R$ , which side of $Δ P Q R$ should be equal to side BC of $Δ A B C$ , so that the two triangles are congruent? Give reason for your answer.

Discussion

8781.	6. If n positive integers are taken at random and multiplied together then find the chance that the last digit of the product would be 0.
Answer» 6. If n positive integers are taken at random and multiplied together then find the chance that the last digit of the product would be 0.

Discussion

8782.	Mark the correct alternative in the following question:112:160=(a) 4 : 1 (b) 1 : 4 (c) 5 : 1 (d) 1 : 5
Answer» Mark the correct alternative in the following question: $\frac{1}{12} : \frac{1}{60} =$ (a) 4 : 1 (b) 1 : 4 (c) 5 : 1 (d) 1 : 5

Discussion

8783.	If the square root of a number is between 6 and 7, then its cube root lies between:
Answer» If the square root of a number is between 6 and 7, then its cube root lies between:

Discussion

8784.	Andrew was asked to note down the scores of the students in a particular test. The collection of data so obtained is known as .
Answer» Andrew was asked to note down the scores of the students in a particular test. The collection of data so obtained is known as .

Discussion

8785.	The ___ of a number of observations is the sum of the values of all the observations divided by the total number of observations.
Answer» The ___ of a number of observations is the sum of the values of all the observations divided by the total number of observations.

Discussion

8786.	Question 10The diameter of a circle whose area is equal to the sum of the areas of the two circles of radii 24 cm abd 7 cm is(A) 31 cm(B) 25 cm(C) 62 cm(D) 50 cm
Answer» Question 10 The diameter of a circle whose area is equal to the sum of the areas of the two circles of radii 24 cm abd 7 cm is (A) 31 cm (B) 25 cm (C) 62 cm (D) 50 cm

Discussion

8787.	Solve (12+213)−13.
Answer» Solve $(12 + 2 \frac{1}{3}) - \frac{1}{3}$ .

Discussion

8788.	3 sides of triangle are consecutive integers and the largest angle is twice the smallest angle. The perimeter of triangle is
Answer» 3 sides of triangle are consecutive integers and the largest angle is twice the smallest angle. The perimeter of triangle is

Discussion

8789.	A pole is of a certain length, 0.35 m of the pole is painted in red, 1.27 m is painted in white and 3.27 m is painted in black. The remaining 5.63 m is left unpainted. Find the length of the pole?
Answer» A pole is of a certain length, 0.35 m of the pole is painted in red, 1.27 m is painted in white and 3.27 m is painted in black. The remaining 5.63 m is left unpainted. Find the length of the pole?

Discussion

8790.	Question 1 (iii) Is it possible to have a triangle with the following sides? 6 cm, 3 cm, 2cm
Answer» Question 1 (iii) Is it possible to have a triangle with the following sides? 6 cm, 3 cm, 2cm

Discussion

8791.	132. the triangle with maximum that can be inscribed in a circle of radius r is : 1. right angled triangle 2. isoscles triangle 3. scalene triangle 4. equilateral triangle
Answer» 132. the triangle with maximum that can be inscribed in a circle of radius r is : 1. right angled triangle 2. isoscles triangle 3. scalene triangle 4. equilateral triangle

Discussion

8792.	Is it possible to construct an equilateral triangle , if its altitude is 4 cm? How
Answer» Is it possible to construct an equilateral triangle , if its altitude is 4 cm? How

Discussion

8793.	Find the square root of 9216 using the long division method.96
Answer» Find the square root of $9216$ using the long division method. 96

Discussion

8794.	Are the zeroes on the right of the non zero integer (not right of decimal) significant or not? Eg: Are the zeroes of 5000 significant or not?
Answer» Are the zeroes on the right of the non zero integer (not right of decimal) significant or not? Eg: Are the zeroes of 5000 significant or not?

Discussion

8795.	In the diagram pqrs is a rec†an gle. Point T is outside the rec†an gle so that△ ptq is an isosceles right angled triangle with hypotenuse pq. If pq=4 and qr=3,find the area △ prt
Answer» In the diagram pqrs is a rec†an gle. Point T is outside the rec†an gle so that△ ptq is an isosceles right angled triangle with hypotenuse pq. If pq=4 and qr=3,find the area △ prt

Discussion

8796.	In fig.(a) find AE + EC.(b) find AC – EC.(c) find BD – BE.(d) What is BD – DE?
Answer» In fig. (a) find AE + EC. (b) find AC – EC. (c) find BD – BE. (d) What is BD – DE?

8796.

In fig.(a) find AE + EC.(b) find AC – EC.(c) find BD – BE.(d) What is BD – DE?

Answer»

In fig.

(a) find AE + EC.

(b) find AC – EC.

(c) find BD – BE.

(d) What is BD – DE?

Discussion

8797.	a person travelled by train for 1 hour at a speed of 50 km per hour he then travelled by a taxi for 30 minutes at a speed of 32 km per hour to complete his journey what is the average speed?
Answer» a person travelled by train for 1 hour at a speed of 50 km per hour he then travelled by a taxi for 30 minutes at a speed of 32 km per hour to complete his journey what is the average speed?

Discussion

8798.	Find the sum of the rational numbers−719 and −257.
Answer» Find the sum of the rational numbers $\frac{- 7}{19} a n d \frac{- 2}{57} .$

Discussion

8799.	Mr.A sells a bicycle to Mr B at a profit of 20%.Then Mr B sells it to Mr.C at a profit of 25%.After that Mr.C sells it to Mr D at a loss of 30% if Mr D pays ₹ 40000.what did Mr.A pay for it?Where there was any profit for Mr.A in whole transaction
Answer» Mr.A sells a bicycle to Mr B at a profit of 20%.Then Mr B sells it to Mr.C at a profit of 25%.After that Mr.C sells it to Mr D at a loss of 30% if Mr D pays ₹ 40000.what did Mr.A pay for it?Where there was any profit for Mr.A in whole transaction

Discussion

8800.	Find the value of x, if (5x53)2=515.
Answer» Find the value of x, if $(\frac{5^{x}}{5^{3}})^{2} = 5^{15}$ .

Discussion

Explore topic-wise InterviewSolutions in .

The perimeter of a square of side length 15 cm will be

A fraction equivalent to 3045 is(a) 34(b) 32(c) 23(d) None of these

The measures of two vertical angles are (√4x2−30)o and (x2x+10)o.Determine the value of x.

5x + 4y + 6pq - 2y + 3x + 4xy - 3pq - 2xy is equal to: [2 MARKS]

The solution set of the inequation |x + 1| < 3 is __________.

Solve the following.If 8 oxen can plough 45 acres of land in 15 days, then how many acres of land can 12 oxen plough in 9 days?

Question 38 State whether the statement given is True or False. Sum of 2 and p is 2p.

1+6÷3−(4+5)×7= ____.

Question 57 (f) Add the following expression: p2qr+pq2r+pqr2and−3pq2r−2pqr2

Divide (x2+3)(x2-3)+9 by x4

Four girls (G1,G2,G3,G4) and three boys (B1,B2,B3) are to sit for a dinner such that neither two boys nor two girls sit together. If they are seated in their numerical order, what is the position of B2 and G3?

The fraction 1731000 in decimal form is(a) 17.3(b) 1.73(c) 0.173(d) 0.0173

Expand (a − b)2

Question 67 (ii)Look at the shapes given below and state if it is a polyhedron using Euler's formula.

A car dealer has 72 BMW and 64 Mercedes in his showroom. The dealer wants to arrange the cars in rows so that each row has the same number of vehicles of each type. What is the greatest possible number of rows that can be formed?

Significant digit of 0.00000001=?And Significant digit of 5.0000009=?

Find the difference between the Rational numbers B and A as shown on the number line.

In the given figure, transversal l intersects two lines m and n, ∠4 = 110° and ∠7 = 65°. Is m || n ?

Which among the given fractions is an unlike fraction with respect to 45?

Which of the following can be verified for any integer a and b?

Question 9If ABC is an isosceles triangle in which AC = BC, AD and BE are respectively two altitudes to sides BC and AC, then prove that AE = BD.

In the following question out of the four options only one is correct, write the correct answer. The digit in the ten's place of a two-digit number is 3 more than the digit in the unit's place. Let the digit at unit's place be b. Then, the number is:(a)11b + 30(b) 10b + 30(c) 11b + 3(d) 10b + 3

The line segment BD = ________ in the given diagram.

∫(x2+1) (x2+4)(x2+3) (x2-5) dx

Solve the equation 13(y−4)−3(y−9)−5(y+4)=0.

Two numbers are in the ratio 3 : 5 and their sum is 96. The larger number is(a) 36(b) 42(c) 60(d) 70

In figure given below, find the value of ∠1 + ∠2.

Question 2In ΔABC and ΔPQR,∠A=∠Q and ∠B=∠R, which side of ΔPQR should be equal to side BC of ΔABC, so that the two triangles are congruent? Give reason for your answer.

6. If n positive integers are taken at random and multiplied together then find the chance that the last digit of the product would be 0.

Mark the correct alternative in the following question:112:160=(a) 4 : 1 (b) 1 : 4 (c) 5 : 1 (d) 1 : 5

If the square root of a number is between 6 and 7, then its cube root lies between:

Andrew was asked to note down the scores of the students in a particular test. The collection of data so obtained is known as .

The ___ of a number of observations is the sum of the values of all the observations divided by the total number of observations.

Question 10The diameter of a circle whose area is equal to the sum of the areas of the two circles of radii 24 cm abd 7 cm is(A) 31 cm(B) 25 cm(C) 62 cm(D) 50 cm

Solve (12+213)−13.

3 sides of triangle are consecutive integers and the largest angle is twice the smallest angle. The perimeter of triangle is

A pole is of a certain length, 0.35 m of the pole is painted in red, 1.27 m is painted in white and 3.27 m is painted in black. The remaining 5.63 m is left unpainted. Find the length of the pole?

Question 1 (iii) Is it possible to have a triangle with the following sides? 6 cm, 3 cm, 2cm

132. the triangle with maximum that can be inscribed in a circle of radius r is : 1. right angled triangle 2. isoscles triangle 3. scalene triangle 4. equilateral triangle

Is it possible to construct an equilateral triangle , if its altitude is 4 cm? How

Find the square root of 9216 using the long division method.96

Are the zeroes on the right of the non zero integer (not right of decimal) significant or not? Eg: Are the zeroes of 5000 significant or not?

In the diagram pqrs is a rec†an gle. Point T is outside the rec†an gle so that△ ptq is an isosceles right angled triangle with hypotenuse pq. If pq=4 and qr=3,find the area △ prt

In fig.(a) find AE + EC.(b) find AC – EC.(c) find BD – BE.(d) What is BD – DE?

a person travelled by train for 1 hour at a speed of 50 km per hour he then travelled by a taxi for 30 minutes at a speed of 32 km per hour to complete his journey what is the average speed?

Find the sum of the rational numbers−719 and −257.

Mr.A sells a bicycle to Mr B at a profit of 20%.Then Mr B sells it to Mr.C at a profit of 25%.After that Mr.C sells it to Mr D at a loss of 30% if Mr D pays ₹ 40000.what did Mr.A pay for it?Where there was any profit for Mr.A in whole transaction

Find the value of x, if (5x53)2=515.