16437 + Interview Questions in Mathematics Page 199 InterviewSolution

9901.	The perimeter of a regular octagon with each side measuring 15 cm is
Answer» The perimeter of a regular octagon with each side measuring 15 cm is

Discussion

9902.	4112−[134+{212−(12−13)}]= ?
Answer» $4 \frac{1}{12} - [1 \frac{3}{4} + {2 \frac{1}{2} - (\frac{1}{2} - \frac{1}{3})}] = ?$

Discussion

9903.	Question 18In a blueprint of a room, an architect has shown the height of the room as 33 cm. If the actual height of the room is 330 cm, then the scale used by her is (a) 1 : 11(b) 1 : 10(c) 1 : 100(d) 1 : 3
Answer» Question 18 In a blueprint of a room, an architect has shown the height of the room as 33 cm. If the actual height of the room is 330 cm, then the scale used by her is (a) 1 : 11 (b) 1 : 10 (c) 1 : 100 (d) 1 : 3

Discussion

9904.	Question 64 An angle is said to be trisected, if it is divided into three equal parts. If in the given figure, ∠ BAC=∠ CAD=∠ DAE, then how many trisectors are there for ∠ BAE?
Answer» Question 64 An angle is said to be trisected, if it is divided into three equal parts. If in the given figure, $∠ B A C = ∠ C A D = ∠ D A E$ , then how many trisectors are there for $∠ B A E$ ?

9904.

Question 64 An angle is said to be trisected, if it is divided into three equal parts. If in the given figure, ∠ BAC=∠ CAD=∠ DAE, then how many trisectors are there for ∠ BAE?

Answer»

Question 64

An angle is said to be trisected, if it is divided into three equal parts. If in the given figure, $∠ B A C = ∠ C A D = ∠ D A E$ , then how many trisectors are there for $∠ B A E$ ?

Discussion

9905.	3. For all real numbers x, let the mapping f (x) = 1/(x-i), where i=-1. If there exist real numbers a, b, c and d for which f (a), f (b), f (c) and f (d) form a square on the complex plane. Find the area of the square.
Answer» 3. For all real numbers x, let the mapping f (x) = 1/(x-i), where i=-1. If there exist real numbers a, b, c and d for which f (a), f (b), f (c) and f (d) form a square on the complex plane. Find the area of the square.

Discussion

9906.	Ram spent 1 rupee and 25 paise and Shyam spent 2 rupee and 75 paise. Find the ratio of money spent by Ram to that of Shyam
Answer» Ram spent 1 rupee and 25 paise and Shyam spent 2 rupee and 75 paise. Find the ratio of money spent by Ram to that of Shyam

Discussion

9907.	A kennel can accommodate 12 dogs that weigh (in pounds) 6, 14, 23, 17, 19, 27, 39, 7, 33, 4, 11, and 13. Find the range of their weights.
Answer» A kennel can accommodate 12 dogs that weigh (in pounds) 6, 14, 23, 17, 19, 27, 39, 7, 33, 4, 11, and 13. Find the range of their weights.

Discussion

9908.	Question 85A metal pipe 3m long was found to weight 7.6kg. What would be the weight of the same kind of 7.8m long pipe?
Answer» Question 85 A metal pipe 3m long was found to weight 7.6kg. What would be the weight of the same kind of 7.8m long pipe?

9908.

Question 85A metal pipe 3m long was found to weight 7.6kg. What would be the weight of the same kind of 7.8m long pipe?

Answer»

Question 85

A metal pipe 3m long was found to weight 7.6kg. What would be the weight of the same kind of 7.8m long pipe?

Discussion

9909.	15% as a fraction is
Answer» 15% as a fraction is

Discussion

9910.	if -5 < -3, then -5 is to the ___ (right/left) of -3
Answer» if -5 < -3, then -5 is to the ___ (right/left) of -3

Discussion

9911.	Cash sales of a business in a year were ₹ 85,000, the Cost of Goods Sold (including direct expenses) was ₹ 97,000 and Gross Profit as shown by the Trading Account for the year was ₹ 1,29,000. Calculate Credit Sales during the year.
Answer» Cash sales of a business in a year were ₹ 85,000, the Cost of Goods Sold (including direct expenses) was ₹ 97,000 and Gross Profit as shown by the Trading Account for the year was ₹ 1,29,000. Calculate Credit Sales during the year.

Discussion

9912.	In which of the following figures the axis of symmetry is correct?
Answer» In which of the following figures the axis of symmetry is correct?

Discussion

9913.	Question 12 (b) Fill in the blanks: A number which has more than two factors is called a ________.
Answer» Question 12 (b) Fill in the blanks: A number which has more than two factors is called a ________.

9913.

Question 12 (b) Fill in the blanks: A number which has more than two factors is called a ________.

Answer»

Question 12 (b)

Fill in the blanks:

A number which has more than two factors is called a ________.

Discussion

9914.	कला के प्रति लोगों का नज़रिया पहले कैसा था? उसमें अब क्या बदलाव आया है?
Answer» कला के प्रति लोगों का नज़रिया पहले कैसा था? उसमें अब क्या बदलाव आया है?

Discussion

9915.	-5 is ___ +5. (greater than/less than/equal to)
Answer» -5 is ___ +5. (greater than/less than/equal to)

Discussion

9916.	A pizza has 6 pieces. How many such pizzas do you need to feed 12 people if each of them eats 3 pieces?
Answer» A pizza has 6 pieces. How many such pizzas do you need to feed 12 people if each of them eats 3 pieces?

Discussion

9917.	If we are at -8 on the number line, we make 4 hops to the right, at which point do we arrive?
Answer» If we are at -8 on the number line, we make 4 hops to the right, at which point do we arrive?

Discussion

9918.	67.In quadrilateral ABCD if bisectors of angle ABC and angle ADC meet on the diagonal AC then prove that the bisectors of angle BAD and angle BCD will meet on the diagonal BD.
Answer» 67.In quadrilateral ABCD if bisectors of angle ABC and angle ADC meet on the diagonal AC then prove that the bisectors of angle BAD and angle BCD will meet on the diagonal BD.

Discussion

9919.	The product of two numbers is 1. If one number is 23, then the other number is _________.
Answer» The product of two numbers is 1. If one number is $\frac{2}{3}$ , then the other number is _________.

Discussion

9920.	Match the double addition to their corresponding subtraction statements.
Answer» Match the double addition to their corresponding subtraction statements.

Discussion

9921.	In a game of football, if a player kicks the ball into opponent's goal post then he scores a goal. If he passes the ball to any of his team mates and that particular team mate scores a goal after that, the player is said to have assisted the goal. Suppose you are the captain of a football team and you have to select a striker for your team. Here you have line graphs which give the goals and assists of two players in past 5 months. Which player will you select for your team? (Assume matches played by both the players had same level of competition)
Answer» In a game of football, if a player kicks the ball into opponent's goal post then he scores a goal. If he passes the ball to any of his team mates and that particular team mate scores a goal after that, the player is said to have assisted the goal. Suppose you are the captain of a football team and you have to select a striker for your team. Here you have line graphs which give the goals and assists of two players in past 5 months. Which player will you select for your team? (Assume matches played by both the players had same level of competition)

Discussion

9922.	Question 68(ii)The following graph shows the change in temperature of a block of ice when heated. Use the graph to answer the following questions.For how long was there a change in temperature?
Answer» Question 68(ii) The following graph shows the change in temperature of a block of ice when heated. Use the graph to answer the following questions. For how long was there a change in temperature?

Discussion

9923.	The two given lines are parallel. Find the value of angle 1 (in degrees).___
Answer» The two given lines are parallel. Find the value of angle 1 (in degrees). ___

9923.

The two given lines are parallel. Find the value of angle 1 (in degrees).___

Answer»

The two given lines are parallel. Find the value of angle 1 (in degrees).

___

Discussion

9924.	In an election between two candidates, 75% of the voters cast their votes, out of which 2% of the votes were declared invalid. A candidate got 9261 votes which were 75% of the total valid votes. Find the total number of enrolled voters.
Answer» In an election between two candidates, 75% of the voters cast their votes, out of which 2% of the votes were declared invalid. A candidate got 9261 votes which were 75% of the total valid votes. Find the total number of enrolled voters.

Discussion

9925.	There are some flowering trees in a garden. Each tree bears many flowers with the same number printed on it. Three children took a basket each to pick flowers. Each basket has one of the numbers, 3, 4 or 9 on it. Each child picks those flowers which have numbers divisible by the number on his or her basket. He/She takes only 1 flower from each tree. Can you tell which numbers the flowers in each basket will have ?
Answer» There are some flowering trees in a garden. Each tree bears many flowers with the same number printed on it. Three children took a basket each to pick flowers. Each basket has one of the numbers, 3, 4 or 9 on it. Each child picks those flowers which have numbers divisible by the number on his or her basket. He/She takes only 1 flower from each tree. Can you tell which numbers the flowers in each basket will have ?

Discussion

9926.	Insert commas suitably and write the names according to Indian System of Numeration:99900046
Answer» Insert commas suitably and write the names according to Indian System of Numeration: 99900046

Discussion

9927.	Mrs. Joseph is 27 years older than her daughter Bindu. After 8 years she will be twice as old as Bindu. Find their present age.
Answer» Mrs. Joseph is 27 years older than her daughter Bindu. After 8 years she will be twice as old as Bindu. Find their present age.

Discussion

9928.	How is Entrance Fees dealt with while preparing the final accounts for the year ended 31st March, 2019 in each of the following alternative cases?Case I During the year ended 31st March, 2019, Entrance Fees received was ₹ 1,00,000.Case II During the year ended 31st March, 2019, Entrance Fees received was ₹ 1,00,000.Out of this, ₹ 25,000 was received from individuals whose membership is not yet approved.
Answer» How is Entrance Fees dealt with while preparing the final accounts for the year ended 31st March, 2019 in each of the following alternative cases? Case I During the year ended 31st March, 2019, Entrance Fees received was ₹ 1,00,000. Case II During the year ended 31st March, 2019, Entrance Fees received was ₹ 1,00,000.Out of this, ₹ 25,000 was received from individuals whose membership is not yet approved.

Discussion

9929.	Select the appropriate adjectives for the blanks. The girl’s _______ accent was prominent in her __________ conversation.
Answer» Select the appropriate adjectives for the blanks. The girl’s _______ accent was prominent in her __________ conversation.

9929.

Select the appropriate adjectives for the blanks. The girl’s _ accent was prominent in her ____ conversation.

Answer»

Select the appropriate adjectives for the blanks.

The girl’s _______ accent was prominent in her __________ conversation.

Discussion

9930.	The cost of buying 40 books is ₹ 9000. Find the cost of 35 such books
Answer» The cost of buying 40 books is ₹ 9000. Find the cost of 35 such books

Discussion

9931.	A hexagonal pyramid has ___ vertices.
Answer» A hexagonal pyramid has ___ vertices.

Discussion

9932.	(x – 2y)3 + (2y – 3z)3 + (3z – x)3
Answer» (x – 2y)³ + (2y – 3z)³ + (3z – x)³

Discussion

9933.	Question 1 (e) Subtract: 0.314 kg from 2.107 kg
Answer» Question 1 (e) Subtract: 0.314 kg from 2.107 kg

Discussion

9934.	why is XEO4 tetrahedral and not square planar?
Answer» why is XEO4 tetrahedral and not square planar?

Discussion

9935.	In the set of whole numbers, the number which does not have its predecessor is ___.
Answer» In the set of whole numbers, the number which does not have its predecessor is ___.

Discussion

9936.	The given table shows daily temperatures for Delhi, recorded for 6 days, in degrees Celsius. Plot a line graph. Which of the following statements is true. (Temperature in Delhi)DayTemperature16∘C212∘C310∘C414∘C515∘C619∘C
Answer» The given table shows daily temperatures for Delhi, recorded for 6 days, in degrees Celsius. Plot a line graph. Which of the following statements is true. $\begin{matrix} (T e m p e r a t u r e i n D e l h i) D a y & T e m p e r a t u r e 1 & 6^{\circ} C 2 & 12^{\circ} C 3 & 10^{\circ} C 4 & 14^{\circ} C 5 & 15^{\circ} C 6 & 19^{\circ} C \end{matrix}$

Discussion

9937.	An exact location in space is called a _______.
Answer» An exact location in space is called a _______.

Discussion

9938.	510+3100=?(a) 0.53(b) 0.053(c) 0.35(d) 0.035
Answer» $\frac{5}{10} + \frac{3}{100} = ?$ (a) 0.53 (b) 0.053 (c) 0.35 (d) 0.035

Discussion

9939.	Calculate the amount of water which needs to be added to make a 6 L solution when we have 4800 mL of milk.
Answer» Calculate the amount of water which needs to be added to make a 6 L solution when we have 4800 mL of milk.

Discussion

9940.	Question 83Solve the following:Kaustabh had 60 flowers. He offered some flowers in temple and found that the ratio of the number of remaining flowers to that of flowers in the beginning is 3:5. Find the number of flowers offered by him in the temple.
Answer» Question 83 Solve the following: Kaustabh had 60 flowers. He offered some flowers in temple and found that the ratio of the number of remaining flowers to that of flowers in the beginning is 3:5. Find the number of flowers offered by him in the temple.

9940.

Question 83Solve the following:Kaustabh had 60 flowers. He offered some flowers in temple and found that the ratio of the number of remaining flowers to that of flowers in the beginning is 3:5. Find the number of flowers offered by him in the temple.

Answer»

Question 83

Solve the following:

Kaustabh had 60 flowers. He offered some flowers in temple and found that the ratio of the number of remaining flowers to that of flowers in the beginning is 3:5. Find the number of flowers offered by him in the temple.

Discussion

9941.	The HCF of two consecutive odd numbers is ..........
Answer» The HCF of two consecutive odd numbers is ..........

Discussion

9942.	The marks obtained by the sudents of a class, in an exam which was out of 50 marks,is given below. Marks Number of students5172112163215246283325348396434452493 (i)Find mode for the ungrouped data.(ii) Represent the same as grouped data, with class intervals of width = 10 and find the mode for the grouped data.
Answer» The marks obtained by the sudents of a class, in an exam which was out of 50 marks,is given below. $\begin{matrix} Marks & Number of students 5 & 1 7 & 2 11 & 2 16 & 3 21 & 5 24 & 6 28 & 3 32 & 5 34 & 8 39 & 6 43 & 4 45 & 2 49 & 3 \end{matrix}$ (i)Find mode for the ungrouped data. (ii) Represent the same as grouped data, with class intervals of width = 10 and find the mode for the grouped data.

Discussion

9943.	Show that only one of the numbers n, n+2 and n+4 is divisible by 3.
Answer» Show that only one of the numbers n, n+2 and n+4 is divisible by 3.

Discussion

9944.	Write 10.45 as a mixed number.
Answer» Write $10.45$ as a mixed number.

Discussion

9945.	Question 56Of the 288 persons working in a company, 112 are men and the remaining are women. Find the ratio of the number of: (a) men to that of women.(b) men to the total number of persons.(c) women to the total number of persons.
Answer» Question 56 Of the 288 persons working in a company, 112 are men and the remaining are women. Find the ratio of the number of: (a) men to that of women. (b) men to the total number of persons. (c) women to the total number of persons.

9945.

Question 56Of the 288 persons working in a company, 112 are men and the remaining are women. Find the ratio of the number of: (a) men to that of women.(b) men to the total number of persons.(c) women to the total number of persons.

Answer»

Question 56

Of the 288 persons working in a company, 112 are men and the remaining are women. Find the ratio of the number of:

(a) men to that of women.

(b) men to the total number of persons.

(c) women to the total number of persons.

Discussion

9946.	Arrange the following numbers in descending order using decimals:410, 620, and 3150
Answer» Arrange the following numbers in descending order using decimals: $\frac{4}{10}$ , $\frac{6}{20}$ , $and$ $\frac{31}{50}$

Discussion

9947.	Simplify: 129−87+(10÷2×5)
Answer» Simplify: $129 - 87 + (10 \div 2 \times 5)$

Discussion

9948.

Number of persons in various age groups in a town is given in thefollowing table. Age group 1 − 14 15 − 29 30 − 44 45 − 59 60 −74 75 and above Number of persons 2 lakhs 1 lakhs 60 thousands 1 lakh 20 thousands 1 lakh 20 thousands 80 40 Thousands Draw a bargraph to represent the above information and answer the followingquestions. (take 1 unit length = 20 thousands)(a) Which two age groups have same population?(b) All persons in the age group of 60 and above are called seniorcitizens. How many senior citizens are there in the town?

Answer»

Number of persons in various age groups in a town is given in the
following table.

Age group

1 − 14

15 − 29

30 − 44

45 − 59

60 −74

75 and above

Number of persons

2 lakhs

1 lakhs

60 thousands

1 lakh

20 thousands

1 lakh

20 thousands

80

40

Thousands

Draw a bar
graph to represent the above information and answer the following
questions. (take 1 unit length = 20 thousands)

(a) Which two age groups have same population?

(b) All persons in the age group of 60 and above are called senior
citizens. How many senior citizens are there in the town?

Discussion

9949.	How many sides a heptagon has?
Answer» How many sides a heptagon has?

Discussion

9950.	Till what time does Bachchu Manjhi work?
Answer» Till what time does Bachchu Manjhi work?

Discussion

Explore topic-wise InterviewSolutions in .

The perimeter of a regular octagon with each side measuring 15 cm is

4112−[134+{212−(12−13)}]= ?

Question 18In a blueprint of a room, an architect has shown the height of the room as 33 cm. If the actual height of the room is 330 cm, then the scale used by her is (a) 1 : 11(b) 1 : 10(c) 1 : 100(d) 1 : 3

Question 64 An angle is said to be trisected, if it is divided into three equal parts. If in the given figure, ∠ BAC=∠ CAD=∠ DAE, then how many trisectors are there for ∠ BAE?

3. For all real numbers x, let the mapping f (x) = 1/(x-i), where i=-1. If there exist real numbers a, b, c and d for which f (a), f (b), f (c) and f (d) form a square on the complex plane. Find the area of the square.

Ram spent 1 rupee and 25 paise and Shyam spent 2 rupee and 75 paise. Find the ratio of money spent by Ram to that of Shyam

A kennel can accommodate 12 dogs that weigh (in pounds) 6, 14, 23, 17, 19, 27, 39, 7, 33, 4, 11, and 13. Find the range of their weights.

Question 85A metal pipe 3m long was found to weight 7.6kg. What would be the weight of the same kind of 7.8m long pipe?

15% as a fraction is

if -5 &lt; -3, then -5 is to the ___ (right/left) of -3

Cash sales of a business in a year were ​₹ 85,000, the Cost of Goods Sold (including direct expenses) was ₹ 97,000 and Gross Profit as shown by the Trading Account for the year was ₹ 1,29,000. Calculate Credit Sales during the year.

In which of the following figures the axis of symmetry is correct?

Question 12 (b) Fill in the blanks: A number which has more than two factors is called a ________.

कला के प्रति लोगों का नज़रिया पहले कैसा था? उसमें अब क्या बदलाव आया है?

-5 is ___ +5. (greater than/less than/equal to)

A pizza has 6 pieces. How many such pizzas do you need to feed 12 people if each of them eats 3 pieces?

If we are at -8 on the number line, we make 4 hops to the right, at which point do we arrive?

67.In quadrilateral ABCD if bisectors of angle ABC and angle ADC meet on the diagonal AC then prove that the bisectors of angle BAD and angle BCD will meet on the diagonal BD.

The product of two numbers is 1. If one number is 23, then the other number is _________.

Match the double addition to their corresponding subtraction statements.

Question 68(ii)The following graph shows the change in temperature of a block of ice when heated. Use the graph to answer the following questions.For how long was there a change in temperature?

The two given lines are parallel. Find the value of angle 1 (in degrees).___

In an election between two candidates, 75% of the voters cast their votes, out of which 2% of the votes were declared invalid. A candidate got 9261 votes which were 75% of the total valid votes. Find the total number of enrolled voters.

Insert commas suitably and write the names according to Indian System of Numeration:99900046

Mrs. Joseph is 27 years older than her daughter Bindu. After 8 years she will be twice as old as Bindu. Find their present age.

Select the appropriate adjectives for the blanks. The girl’s _______ accent was prominent in her __________ conversation.

The cost of buying 40 books is ₹ 9000. Find the cost of 35 such books

A hexagonal pyramid has ___ vertices.

(x – 2y)3 + (2y – 3z)3 + (3z – x)3

Question 1 (e) Subtract: 0.314 kg from 2.107 kg

why is XEO4 tetrahedral and not square planar?

In the set of whole numbers, the number which does not have its predecessor is ___.

The given table shows daily temperatures for Delhi, recorded for 6 days, in degrees Celsius. Plot a line graph. Which of the following statements is true. (Temperature in Delhi)DayTemperature16∘C212∘C310∘C414∘C515∘C619∘C

An exact location in space is called a _______.

510+3100=?(a) 0.53(b) 0.053(c) 0.35(d) 0.035

Calculate the amount of water which needs to be added to make a 6 L solution when we have 4800 mL of milk.

Question 83Solve the following:Kaustabh had 60 flowers. He offered some flowers in temple and found that the ratio of the number of remaining flowers to that of flowers in the beginning is 3:5. Find the number of flowers offered by him in the temple.

The HCF of two consecutive odd numbers is ..........

Show that only one of the numbers n, n+2 and n+4 is divisible by 3.

Write 10.45 as a mixed number.

Question 56Of the 288 persons working in a company, 112 are men and the remaining are women. Find the ratio of the number of: (a) men to that of women.(b) men to the total number of persons.(c) women to the total number of persons.

Arrange the following numbers in descending order using decimals:410, 620, and 3150

Simplify: 129−87+(10÷2×5)

How many sides a heptagon has?

Till what time does Bachchu Manjhi work?

if -5 < -3, then -5 is to the ___ (right/left) of -3

Cash sales of a business in a year were ₹ 85,000, the Cost of Goods Sold (including direct expenses) was ₹ 97,000 and Gross Profit as shown by the Trading Account for the year was ₹ 1,29,000. Calculate Credit Sales during the year.

Select the appropriate adjectives for the blanks. The girl’s _ accent was prominent in her ____ conversation.