19743 + Interview Questions in Mathematics Page 311 InterviewSolution

15501.	Identify the terms corresponding only to ratios
Answer» Identify the terms corresponding only to ratios

Discussion

15502.	222−[13{42+(56−8+9)}+108]
Answer» $222 - [\frac{1}{3} {42 + (56 - 8 + 9)} + 108]$

Discussion

15503.	What is the constant of proportionality in the equation of change of area with respect to the square of the length of a side?
Answer» What is the constant of proportionality in the equation of change of area with respect to the square of the length of a side?

Discussion

15504.	The average cost of a few cups was 8.Afteranothercupthatcosts32 was added, the average cost became $12. How many cups were there in the end? Can i have the steps to solve it. Thank you😀
Answer» The average cost of a few cups was $8. A f t e r a n o t h e r c u p t h a t c o s t s$ 32 was added, the average cost became $12. How many cups were there in the end? Can i have the steps to solve it. Thank you😀

15504.

The average cost of a few cups was 8.Afteranothercupthatcosts32 was added, the average cost became $12. How many cups were there in the end? Can i have the steps to solve it. Thank you😀

Answer»

The average cost of a few cups was $8. A f t e r a n o t h e r c u p t h a t c o s t s$ 32 was added, the average cost became $12. How many cups were there in the end?

Can i have the steps to solve it.

Thank you😀

Discussion

15505.	A car goes at speed of 50km/hr .At this rate , find A) find the distance covered in 4 hours . B) find the time taken to cover a distance of 65 km .
Answer» A car goes at speed of 50km/hr .At this rate , find A) find the distance covered in 4 hours . B) find the time taken to cover a distance of 65 km .

Discussion

15506.	An unbiased die is thrown. The probability that the number which comes up is even, is _________.
Answer» An unbiased die is thrown. The probability that the number which comes up is even, is _________.

Discussion

15507.	Choose the correct option to change the given sentence into direct speech. Vineet asked whether it would be ok if he were to bring a friend along.
Answer» Choose the correct option to change the given sentence into direct speech. Vineet asked whether it would be ok if he were to bring a friend along.

15507.

Choose the correct option to change the given sentence into direct speech. Vineet asked whether it would be ok if he were to bring a friend along.

Answer»

Choose the correct option to change the given sentence into direct speech.

Vineet asked whether it would be ok if he were to bring a friend along.

Discussion

15508.	The radical axis of two circles and line joining their centers are _____
Answer» The radical axis of two circles and line joining their centers are _____

Discussion

15509.	Question 2 (c) Given the lines(s) of symmetry, find the other hole(s): c)
Answer» Question 2 (c) Given the lines(s) of symmetry, find the other hole(s): c)

Discussion

15510.	Is SSS,SAS,ASA and AAS criteria the same?
Answer» Is SSS,SAS,ASA and AAS criteria the same?

Discussion

15511.	What will be the top view of the following:
Answer» What will be the top view of the following:

15511.

What will be the top view of the following:

Answer»

What will be the top view of the following:

Discussion

15512.	Question 76(ii) The drawing below (figure), show angles formed by the goalposts at different positions of a football player. The greater the angle the better chance the player has of scoring a goal, e.g. The player has a better chance of scoring a goal from position A than from position B. Now the players are lined up as shown in figure (iii) Which player has the best kicking angle?
Answer» Question 76(ii) The drawing below (figure), show angles formed by the goalposts at different positions of a football player. The greater the angle the better chance the player has of scoring a goal, e.g. The player has a better chance of scoring a goal from position A than from position B. Now the players are lined up as shown in figure (iii) Which player has the best kicking angle?

15512.

Question 76(ii) The drawing below (figure), show angles formed by the goalposts at different positions of a football player. The greater the angle the better chance the player has of scoring a goal, e.g. The player has a better chance of scoring a goal from position A than from position B. Now the players are lined up as shown in figure (iii) Which player has the best kicking angle?

Answer»

Question 76(ii)

The drawing below (figure), show angles formed by the goalposts at different positions of a football player. The greater the angle the better chance the player has of scoring a goal, e.g. The player has a better chance of scoring a goal from position A than from position B.

Now the players are lined up as shown in figure (iii) Which player has the best kicking angle?

Discussion

15513.	Question 17 The expression obtained when x is multiplied by 2 and then subtracted from 3 is (a) 2x−3 (b) 2x+3 (c) 3−2x (d) 3x−2
Answer» Question 17 The expression obtained when $x$ is multiplied by 2 and then subtracted from 3 is (a) $2 x - 3$ (b) $2 x + 3$ (c) $3 - 2 x$ (d) $3 x - 2$

15513.

Question 17 The expression obtained when x is multiplied by 2 and then subtracted from 3 is (a) 2x−3 (b) 2x+3 (c) 3−2x (d) 3x−2

Answer»

Question 17

The expression obtained when $x$ is multiplied by 2 and then subtracted from 3 is

(a) $2 x - 3$

(b) $2 x + 3$

(c) $3 - 2 x$

(d) $3 x - 2$

Discussion

15514.	The cost price of 20 articles is the same as the selling price of x articles.The value of x is (given profit =20%).
Answer» The cost price of 20 articles is the same as the selling price of x articles.The value of x is (given profit =20%).

Discussion

15515.	Using which of the following, it is not possible to construct a 60∘ angle?
Answer» Using which of the following, it is not possible to construct a $60^{\circ}$ angle?

Discussion

15516.	The number of students in a hostel, speaking different languages is given below. Display the data in a pie chart. [4 MARKS] LanguageNo. of StudentsHindi40English12Marathi9Tamil7Bengali4Total72
Answer» The number of students in a hostel, speaking different languages is given below. Display the data in a pie chart. [4 MARKS] $\begin{matrix} Language & No. of Students Hindi & 40 English & 12 Marathi & 9 Tamil & 7 Bengali & 4 Total & 72 \end{matrix}$

Discussion

15517.	A certain freezing process requires that room temperature be lowered from 40°C at the rate of 5°C every hour. What will be the room temperature 10 hours after the process begins?
Answer» A certain freezing process requires that room temperature be lowered from 40°C at the rate of 5°C every hour. What will be the room temperature 10 hours after the process begins?

Discussion

15518.	Question 51 Fill in the blanks to make the statement true. The sum of an exterior angle of a triangle and its adjacent angle is always ___.
Answer» Question 51 Fill in the blanks to make the statement true. The sum of an exterior angle of a triangle and its adjacent angle is always ___.

15518.

Question 51 Fill in the blanks to make the statement true. The sum of an exterior angle of a triangle and its adjacent angle is always ___.

Answer»

Question 51

Fill in the blanks to make the statement true.

The sum of an exterior angle of a triangle and its adjacent angle is always ___.

Discussion

15519.	There is a square park in the society. The management wants to put a circular fountain at the centre of the park with diameter 14 m. The remaining area is to be covered with grass. If the cost of laying grass is Rs. 20 per m2 and the cost of constructing the fountain is 10 per m2 . Find the length of the field if the total cost incurred is Rs.6460.( Use π = 22/7) ___
Answer» There is a square park in the society. The management wants to put a circular fountain at the centre of the park with diameter 14 m. The remaining area is to be covered with grass. If the cost of laying grass is Rs. 20 per $m^{2}$ and the cost of constructing the fountain is 10 per $m^{2}$ . Find the length of the field if the total cost incurred is Rs.6460.( Use π = 22/7) ___

15519.

There is a square park in the society. The management wants to put a circular fountain at the centre of the park with diameter 14 m. The remaining area is to be covered with grass. If the cost of laying grass is Rs. 20 per m2 and the cost of constructing the fountain is 10 per m2 . Find the length of the field if the total cost incurred is Rs.6460.( Use π = 22/7) ___

Answer»

There is a square park in the society. The management wants to put a circular fountain at the centre of the park with diameter 14 m. The remaining area is to be covered with grass. If the cost of laying grass is Rs. 20 per $m^{2}$ and the cost of constructing the fountain is 10 per $m^{2}$ . Find the length of the field if the total cost incurred is Rs.6460.( Use π = 22/7)

___

Discussion

15520.	Value of 11+11−16 is:
Answer» Value of $\frac{1}{1 + \frac{1}{1 - \frac{1}{6}}}$ is:

Discussion

15521.	Question 7(d) : Find answers to the following. Write and indicate how you solved them: Is 115 equal to 430 ?
Answer» Question 7(d) : Find answers to the following. Write and indicate how you solved them: Is $\frac{1}{15}$ equal to $\frac{4}{30}$ ?

15521.

Question 7(d) : Find answers to the following. Write and indicate how you solved them: Is 115 equal to 430 ?

Answer»

Question 7(d) :

Find answers to the following. Write and indicate how you solved them:

Is $\frac{1}{15}$ equal to $\frac{4}{30}$ ?

Discussion

15522.	Question 92 Draw a map of your school playground. Mark all necessary places like 2 Library, Playground, Medical Room, Classrooms, Assembly area, etc.
Answer» Question 92 Draw a map of your school playground. Mark all necessary places like 2 Library, Playground, Medical Room, Classrooms, Assembly area, etc.

Discussion

15523.	The shifting of a number from one side of an equation to the other is called as _____.
Answer» The shifting of a number from one side of an equation to the other is called as _____.

Discussion

15524.	Question 91 (b) In the following case, write the rational number whose numerator and denominator are respectively as under: (−4)×6 and 8÷2
Answer» Question 91 (b) In the following case, write the rational number whose numerator and denominator are respectively as under: $(- 4) \times 6 a n d 8 \div 2$

15524.

Question 91 (b) In the following case, write the rational number whose numerator and denominator are respectively as under: (−4)×6 and 8÷2

Answer»

Question 91 (b)

In the following case, write the rational number whose numerator and denominator are respectively as under:
$(- 4) \times 6 a n d 8 \div 2$

Discussion

15525.	Question 72(v) Observe the given bar graph carefully and answer the questions that follow. Calculate the average (mean production of bikes in 6 months).
Answer» Question 72(v) Observe the given bar graph carefully and answer the questions that follow. Calculate the average (mean production of bikes in 6 months).

Discussion

15526.	Question 5 Prove that two lines that are respectively perpendicular to two intersecting line intersect each other.
Answer» Question 5 Prove that two lines that are respectively perpendicular to two intersecting line intersect each other.

Discussion

15527.	Four corners of the square are folded as shown in the first two figures. It is unfolded and cut along the creases to get a new square of the area 54 cm2. The area of the original square is ______.
Answer» Four corners of the square are folded as shown in the first two figures. It is unfolded and cut along the creases to get a new square of the area $54 c m^{2}$ . The area of the original square is ______.

15527.

Four corners of the square are folded as shown in the first two figures. It is unfolded and cut along the creases to get a new square of the area 54 cm2. The area of the original square is ______.

Answer»

Four corners of the square are folded as shown in the first two figures. It is unfolded and cut along the creases to get a new square of the area $54 c m^{2}$ . The area of the original square is ______.

Discussion

15528.	The graph shows the number of vehicles purchased by members of a club during the year 2017. 1 unit represents 2 vehicles. Who has purchased the maximum number of vehicles during the year?
Answer» The graph shows the number of vehicles purchased by members of a club during the year 2017. 1 unit represents 2 vehicles. Who has purchased the maximum number of vehicles during the year?

15528.

The graph shows the number of vehicles purchased by members of a club during the year 2017. 1 unit represents 2 vehicles. Who has purchased the maximum number of vehicles during the year?

Answer»

The graph shows the number of vehicles purchased by members of a club during the year 2017.
1 unit represents 2 vehicles.

Who has purchased the maximum number of vehicles during the year?

Discussion

15529.	Which of the following should be the FOURTH sentence after rearrangement?
Answer» Which of the following should be the FOURTH sentence after rearrangement?

Discussion

15530.	Question 9 Bisectors of the angles B and C of an isosceles triangle with AB = AC intersect each other of 0. BO is produced to a point M. Prove that ∠MOC=∠ABC.
Answer» Question 9 Bisectors of the angles B and C of an isosceles triangle with AB = AC intersect each other of 0. BO is produced to a point M. Prove that $∠ M O C = ∠ A B C$ .

Discussion

15531.	Find the arithmetic mean of 2, 4, 6, 8, 10.
Answer» Find the arithmetic mean of 2, 4, 6, 8, 10.

Discussion

15532.	What is the place value of 5 in 4.53 ?
Answer» What is the place value of 5 in 4.53 ?

Discussion

15533.	From a circular card sheet of radius 16cm, two circles of radius 3cm and rectangle of length 2.5cm and breadth 1cm are removed. Find the area of the remaining sheet...
Answer» From a circular card sheet of radius 16cm, two circles of radius 3cm and rectangle of length 2.5cm and breadth 1cm are removed. Find the area of the remaining sheet...

Discussion

15534.	The marked price of a tire is ₹ 120 and is available at a discount of 25 %. Find the selling price of 50 tires
Answer» The marked price of a tire is ₹ 120 and is available at a discount of 25 %. Find the selling price of 50 tires

Discussion

15535.	Pick the incorrect statement:
Answer» Pick the incorrect statement:

Discussion

15536.	If in the below triangle ∠B = 60o, which type of triangle is it and why? [4 MARKS]
Answer» If in the below triangle $∠ B$ = 60 $^{o}$ , which type of triangle is it and why? [4 MARKS]

Discussion

15537.	Mean of nine observations was found to be 35. Later on it was known that observation 81 was misread as 18. Find the correct mean of the observation
Answer» Mean of nine observations was found to be 35. Later on it was known that observation 81 was misread as 18. Find the correct mean of the observation

Discussion

15538.	Draw the top, front, and side view of the following 3D objects. (a) (b) [3 MARKS]
Answer» Draw the top, front, and side view of the following 3D objects. (a) (b) [3 MARKS]

Discussion

15539.	A shopkeeper marks the price of cold cream at ₹ 80. After allowing a discount of 10% he still gains 20% on the cost price. Find the cost price.
Answer» A shopkeeper marks the price of cold cream at ₹ 80. After allowing a discount of 10% he still gains 20% on the cost price. Find the cost price.

Discussion

15540.	A car can travel 80 km in 8 litres of petrol, it can cover _______ km with 6 litres of petrol, given that its speed remains constant in both the cases.
Answer» A car can travel 80 km in 8 litres of petrol, it can cover _______ km with 6 litres of petrol, given that its speed remains constant in both the cases.

Discussion

15541.	The price of cooking oil has increased by 25%. The percentage of reduction that a family should effect in the use of cooking oil so as not to increase the expenditure on this account is:
Answer» The price of cooking oil has increased by $25 %$ . The percentage of reduction that a family should effect in the use of cooking oil so as not to increase the expenditure on this account is:

Discussion

15542.	Question 67 (e) Find the value of the given polynomial at m = 1, n = -1 and p = 2 m3+n3+p3−3mnp.
Answer» Question 67 (e) Find the value of the given polynomial at m = 1, n = -1 and p = 2 $m^{3} + n^{3} + p^{3} - 3 m n p .$

15542.

Question 67 (e) Find the value of the given polynomial at m = 1, n = -1 and p = 2 m3+n3+p3−3mnp.

Answer»

Question 67 (e)

Find the value of the given polynomial at m = 1, n = -1 and p = 2

$m^{3} + n^{3} + p^{3} - 3 m n p .$

Discussion

15543.	What should be multiplied by (-12) in order to get 180?
Answer» What should be multiplied by (-12) in order to get 180?

Discussion

15544.	The area of a trapezium-shaped field is 1200 sq.m, the distance between two parallel sides is 10 m and one of the parallel sides measures 200 m. Find the length of the other parallel side.
Answer» The area of a trapezium-shaped field is 1200 sq.m, the distance between two parallel sides is 10 m and one of the parallel sides measures 200 m. Find the length of the other parallel side.

Discussion

15545.	100 lamps can be lighted 4 hrs per day for 10 days for Rs 200. How many lamps can be lighted 4 hrs per day for 10 days for Rs 600. [4 MARKS]
Answer» 100 lamps can be lighted 4 hrs per day for 10 days for Rs 200. How many lamps can be lighted 4 hrs per day for 10 days for Rs 600. [4 MARKS]

Discussion

15546.	What is a perfect number? Is 496 a perfect number? [4 MARKS]
Answer» What is a perfect number? Is 496 a perfect number? [4 MARKS]

Discussion

15547.	Your mum had put crackers aside after diwali and you got a chance to burst the crackers again. The figure shows the cracker and it left a trace of a circle. Find the area of the ground it covered knowing that the sparkle was of 28 cm from the cracker.
Answer» Your mum had put crackers aside after diwali and you got a chance to burst the crackers again. The figure shows the cracker and it left a trace of a circle. Find the area of the ground it covered knowing that the sparkle was of 28 cm from the cracker.

15547.

Your mum had put crackers aside after diwali and you got a chance to burst the crackers again. The figure shows the cracker and it left a trace of a circle. Find the area of the ground it covered knowing that the sparkle was of 28 cm from the cracker.

Answer»

Your mum had put crackers aside after diwali and you got a chance to burst the crackers again. The figure shows the cracker and it left a trace of a circle. Find the area of the ground it covered knowing that the sparkle was of 28 cm from the cracker.

Discussion

15548.	The ratio between the breadth and the length of a flag is 3 : 5. If the length is 20 cm , what is the perimeter of the flag?
Answer» The ratio between the breadth and the length of a flag is 3 : 5. If the length is 20 cm , what is the perimeter of the flag?

15548.

The ratio between the breadth and the length of a flag is 3 : 5. If the length is 20 cm , what is the perimeter of the flag?

Answer»

The ratio between the breadth and the length of a flag is 3 : 5.

If the length is 20 cm , what is the perimeter of the flag?

Discussion

15549.	Question 3 If a figure has two or more lines of symmetry, should it have rotational symmetry of order more than 1?
Answer» Question 3 If a figure has two or more lines of symmetry, should it have rotational symmetry of order more than 1?

Discussion

15550.	If T = {x: x is a letter in the word "TEETH"} then the number of its subsets is
Answer» If T = {x: x is a letter in the word "TEETH"} then the number of its subsets is

Discussion

Explore topic-wise InterviewSolutions in .

Identify the terms corresponding only to ratios

222−[13{42+(56−8+9)}+108]

What is the constant of proportionality in the equation of change of area with respect to the square of the length of a side?

The average cost of a few cups was 8.Afteranothercupthatcosts32 was added, the average cost became $12. How many cups were there in the end? Can i have the steps to solve it. Thank you😀

A car goes at speed of 50km/hr .At this rate , find A) find the distance covered in 4 hours . B) find the time taken to cover a distance of 65 km .

An unbiased die is thrown. The probability that the number which comes up is even, is _________.

Choose the correct option to change the given sentence into direct speech. Vineet asked whether it would be ok if he were to bring a friend along.

The radical axis of two circles and line joining their centers are _____

Question 2 (c) Given the lines(s) of symmetry, find the other hole(s): c)

Is SSS,SAS,ASA and AAS criteria the same?

What will be the top view of the following:

Question 17 The expression obtained when x is multiplied by 2 and then subtracted from 3 is (a) 2x−3 (b) 2x+3 (c) 3−2x (d) 3x−2

The cost price of 20 articles is the same as the selling price of x articles.The value of x is (given profit =20%).

Using which of the following, it is not possible to construct a 60∘ angle?

The number of students in a hostel, speaking different languages is given below. Display the data in a pie chart. [4 MARKS] LanguageNo. of StudentsHindi40English12Marathi9Tamil7Bengali4Total72

A certain freezing process requires that room temperature be lowered from 40°C at the rate of 5°C every hour. What will be the room temperature 10 hours after the process begins?

Question 51 Fill in the blanks to make the statement true. The sum of an exterior angle of a triangle and its adjacent angle is always ___.

Value of 11+11−16 is:

Question 7(d) : Find answers to the following. Write and indicate how you solved them: Is 115 equal to 430 ?

Question 92 Draw a map of your school playground. Mark all necessary places like 2 Library, Playground, Medical Room, Classrooms, Assembly area, etc.

The shifting of a number from one side of an equation to the other is called as _____.

Question 91 (b) In the following case, write the rational number whose numerator and denominator are respectively as under: (−4)×6 and 8÷2

Question 72(v) Observe the given bar graph carefully and answer the questions that follow. Calculate the average (mean production of bikes in 6 months).

Question 5 Prove that two lines that are respectively perpendicular to two intersecting line intersect each other.

Four corners of the square are folded as shown in the first two figures. It is unfolded and cut along the creases to get a new square of the area 54 cm2. The area of the original square is ______.

The graph shows the number of vehicles purchased by members of a club during the year 2017. 1 unit represents 2 vehicles. Who has purchased the maximum number of vehicles during the year?

Which of the following should be the FOURTH sentence after rearrangement?

Question 9 Bisectors of the angles B and C of an isosceles triangle with AB = AC intersect each other of 0. BO is produced to a point M. Prove that ∠MOC=∠ABC.

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

What is the place value of 5 in 4.53 ?

From a circular card sheet of radius 16cm, two circles of radius 3cm and rectangle of length 2.5cm and breadth 1cm are removed. Find the area of the remaining sheet...

The marked price of a tire is ₹ 120 and is available at a discount of 25 %. Find the selling price of 50 tires

Pick the incorrect statement:

If in the below triangle ∠B = 60o, which type of triangle is it and why? [4 MARKS]

Mean of nine observations was found to be 35. Later on it was known that observation 81 was misread as 18. Find the correct mean of the observation

Draw the top, front, and side view of the following 3D objects. (a) (b) [3 MARKS]

A shopkeeper marks the price of cold cream at ₹ 80. After allowing a discount of 10% he still gains 20% on the cost price. Find the cost price.

A car can travel 80 km in 8 litres of petrol, it can cover _______ km with 6 litres of petrol, given that its speed remains constant in both the cases.

The price of cooking oil has increased by 25%. The percentage of reduction that a family should effect in the use of cooking oil so as not to increase the expenditure on this account is:

Question 67 (e) Find the value of the given polynomial at m = 1, n = -1 and p = 2 m3+n3+p3−3mnp.

What should be multiplied by (-12) in order to get 180?

The area of a trapezium-shaped field is 1200 sq.m, the distance between two parallel sides is 10 m and one of the parallel sides measures 200 m. Find the length of the other parallel side.

100 lamps can be lighted 4 hrs per day for 10 days for Rs 200. How many lamps can be lighted 4 hrs per day for 10 days for Rs 600. [4 MARKS]

What is a perfect number? Is 496 a perfect number? [4 MARKS]

Your mum had put crackers aside after diwali and you got a chance to burst the crackers again. The figure shows the cracker and it left a trace of a circle. Find the area of the ground it covered knowing that the sparkle was of 28 cm from the cracker.

The ratio between the breadth and the length of a flag is 3 : 5. If the length is 20 cm , what is the perimeter of the flag?

Question 3 If a figure has two or more lines of symmetry, should it have rotational symmetry of order more than 1?

If T = {x: x is a letter in the word "TEETH"} then the number of its subsets is