25365 + Interview Questions in Mathematics

1.	Using which of the given measurements, a unique triangle can be constructed?
Answer» Using which of the given measurements, a unique triangle can be constructed?

Discussion

2.	4 men or 6 women earn Rs. 360 in one day. Find, how much will: i) A man earn in one day? ii) A woman earn in one day? iii) 6 men and 4 women earn in one day?
Answer» 4 men or 6 women earn Rs. 360 in one day. Find, how much will: i) A man earn in one day? ii) A woman earn in one day? iii) 6 men and 4 women earn in one day?

2.

4 men or 6 women earn Rs. 360 in one day. Find, how much will: i) A man earn in one day? ii) A woman earn in one day? iii) 6 men and 4 women earn in one day?

Answer»

4 men or 6 women earn Rs. 360 in one day. Find, how much will:

i) A man earn in one day?

ii) A woman earn in one day?

iii) 6 men and 4 women earn in one day?

Discussion

3.	A certain sum of money, invested for 5 years at 8% p.a. simple interest, earns an interest of Rs. 12000. Find: (i) the sum of money (ii) the compound interest earned by this money in two years and at 10% p.a. compound interest.
Answer» A certain sum of money, invested for 5 years at 8% p.a. simple interest, earns an interest of Rs. 12000. Find: (i) the sum of money (ii) the compound interest earned by this money in two years and at 10% p.a. compound interest.

Discussion

4.	Find the square root of each of the following correct to three places of decimal : (i) 5 (ii) 7 (iii) 17 (iv) 20 (v) 66 (vi) 427 (vii) 1.7 (viii) 23.1 (ix) 2.5 (x) 237.615 (xi) 15.3215 (xii) 0.9 (xiii) 0.1 (xiv) 0.016 (xv) 0.00064 (xvi) 0.019 (xvii) 78 (xviii)512 (xix) 212 (xx) 28758
Answer» Find the square root of each of the following correct to three places of decimal : (i) 5 (ii) 7 (iii) 17 (iv) 20 (v) 66 (vi) 427 (vii) 1.7 (viii) 23.1 (ix) 2.5 (x) 237.615 (xi) 15.3215 (xii) 0.9 (xiii) 0.1 (xiv) 0.016 (xv) 0.00064 (xvi) 0.019 (xvii) $\frac{7}{8}$ (xviii) $\frac{5}{12}$ (xix) $2 \frac{1}{2}$ (xx) $287 \frac{5}{8}$

4.

Find the square root of each of the following correct to three places of decimal : (i) 5 (ii) 7 (iii) 17 (iv) 20 (v) 66 (vi) 427 (vii) 1.7 (viii) 23.1 (ix) 2.5 (x) 237.615 (xi) 15.3215 (xii) 0.9 (xiii) 0.1 (xiv) 0.016 (xv) 0.00064 (xvi) 0.019 (xvii) 78 (xviii)512 (xix) 212 (xx) 28758

Answer»

Find the square root of each of the following correct to three places of decimal :

(i) 5 (ii) 7
(iii) 17 (iv) 20
(v) 66 (vi) 427
(vii) 1.7 (viii) 23.1
(ix) 2.5 (x) 237.615
(xi) 15.3215 (xii) 0.9
(xiii) 0.1 (xiv) 0.016
(xv) 0.00064 (xvi) 0.019
(xvii) $\frac{7}{8}$ (xviii) $\frac{5}{12}$
(xix) $2 \frac{1}{2}$ (xx) $287 \frac{5}{8}$

Discussion

5.	What price should Aslam mark on a pair of shoes? Which costs him Rs. 1200 so as to gain 12% after allowing a discount of 16%?
Answer» What price should Aslam mark on a pair of shoes? Which costs him Rs. 1200 so as to gain $12 %$ after allowing a discount of $16 %$ ?

Discussion

6.	Question 87 (i) Write the greatest common factor in the following: −18a2,108a
Answer» Question 87 (i) Write the greatest common factor in the following: $- 18 a^{2}, 108 a$

6.

Question 87 (i) Write the greatest common factor in the following: −18a2,108a

Answer»

Question 87 (i)

Write the greatest common factor in the following:

$- 18 a^{2}, 108 a$

Discussion

7.	A swimming pool can be filled in 4 hours by 8 pumps of the same type how many such pumps are required, if the pool is to be filled in 223 hours?
Answer» A swimming pool can be filled in 4 hours by 8 pumps of the same type how many such pumps are required, if the pool is to be filled in $2 \frac{2}{3}$ hours?

7.

A swimming pool can be filled in 4 hours by 8 pumps of the same type how many such pumps are required, if the pool is to be filled in 223 hours?

Answer»

A swimming pool can be filled in 4 hours by 8 pumps of the same type how many such pumps are required, if the pool is to be filled in $2 \frac{2}{3}$ hours?

Discussion

8.	Factorise: a(a−1)−b(b−1)
Answer» Factorise: $a (a - 1) - b (b - 1)$

8.

Factorise: a(a−1)−b(b−1)

Answer»

Factorise:

$a (a - 1) - b (b - 1)$

Discussion

9.	What length of a solid cylinder 2cm in diameter must be taken to recast into a hollow cylinder of length 16cm, external diameter 20cm and thickness 2.5mm?
Answer» What length of a solid cylinder 2cm in diameter must be taken to recast into a hollow cylinder of length 16cm, external diameter 20cm and thickness 2.5mm?

Discussion

10.	A three dimensional solid shape has 8 faces and 12 vertices. Find the number of edges it will have __
Answer» A three dimensional solid shape has 8 faces and 12 vertices. Find the number of edges it will have __

Discussion

11.	Find the volume of wood used to make a closed box of outer dimensions 60 cm×45 cm×32 cm , the thickness of wood being 2.5 cm all around.
Answer» Find the volume of wood used to make a closed box of outer dimensions $60 c m \times 45 c m \times 32 c m$ , the thickness of wood being 2.5 cm all around.

Discussion

12.	Question 48 Two cylinders A and B are formed by folding a rectangular sheet of dimensions 20 cm×10 cm along its length and also along its breadth respectively. Curved surface area of A is ___ surface area of B.
Answer» Question 48 Two cylinders A and B are formed by folding a rectangular sheet of dimensions 20 cm×10 cm along its length and also along its breadth respectively. Curved surface area of A is ___ surface area of B.

12.

Question 48 Two cylinders A and B are formed by folding a rectangular sheet of dimensions 20 cm×10 cm along its length and also along its breadth respectively. Curved surface area of A is ___ surface area of B.

Answer»

Question 48

Two cylinders A and B are formed by folding a rectangular sheet of dimensions 20 cm×10 cm along its length and also along its breadth respectively. Curved surface area of A is ___ surface area of B.

Discussion

13.	In the given figure, it is given that AB = CF, EF = BD and ∠AFE = ∠DBC. Then △AFE is congruent to △CBD by which criterion?
Answer» In the given figure, it is given that AB = CF, EF = BD and $∠$ AFE = $∠$ DBC. Then $△$ AFE is congruent to $△$ CBD by which criterion?

13.

In the given figure, it is given that AB = CF, EF = BD and ∠AFE = ∠DBC. Then △AFE is congruent to △CBD by which criterion?

Answer»

In the given figure, it is given that AB = CF, EF = BD and $∠$ AFE = $∠$ DBC. Then $△$ AFE is congruent to $△$ CBD by which criterion?

Discussion

14.	A student gets 3 marks for answering a question correctly and loses 1 mark for answering it wrong. Suppose if he answers 5 questions correctly and 2 number of questions wrongly, then marks scored by him are ___
Answer» A student gets 3 marks for answering a question correctly and loses 1 mark for answering it wrong. Suppose if he answers 5 questions correctly and 2 number of questions wrongly, then marks scored by him are ___

Discussion

15.	A buckyball has a minimum of ___vertices.
Answer» A buckyball has a minimum of ___vertices.

Discussion

16.	The polynomial equations P1(x) = x3+x2+x+1 and P2(x) = x2−1 have how many zeroes in common?
Answer» The polynomial equations $P_{1}$ (x) = $x^{3} + x^{2} + x + 1$ and $P_{2}$ (x) = $x^{2} - 1$ have how many zeroes in common?

Discussion

17.	If a+b+c=0,then find the value of a²/bc +b²/ac +c²/ab.
Answer» If a+b+c=0,then find the value of a²/bc +b²/ac +c²/ab.

Discussion

18.	Mary is wrapping a can of paint to gift a friend. If the can is 11 inches high and has a diameter of 7 inches, how many square inches of wrapping paper will she use for covering the can? ___ (Let π = 3.14)
Answer» Mary is wrapping a can of paint to gift a friend. If the can is 11 inches high and has a diameter of 7 inches, how many square inches of wrapping paper will she use for covering the can? ___ (Let π = 3.14)

Discussion

19.	Question 1 Construct the Quadrilateral LIFT where LI=4 cm, IF = 3 cm, TL = 2.5 CM, LF = 4.5 cm , IT = 4 cm
Answer» Question 1 Construct the Quadrilateral LIFT where LI=4 cm, IF = 3 cm, TL = 2.5 CM, LF = 4.5 cm , IT = 4 cm

Discussion

20.	A point is a figure that has__ dimensions.
Answer» A point is a figure that has__ dimensions.

Discussion

21.	Three iron cubes of edge 3 cm, 4 cm and 5 cm respectively, are melted and cast into a single cube. Find the edge of the bigger cube formed.
Answer» Three iron cubes of edge 3 cm, 4 cm and 5 cm respectively, are melted and cast into a single cube. Find the edge of the bigger cube formed.

Discussion

22.	Question 4(iii) Numbers 1 to 10 is written on ten separate slips (one number on one slip), kept in a box and mixed well. One slip is chosen from the box without looking into it.What is the probability of : getting a number greater than 6.
Answer» Question 4(iii) Numbers 1 to 10 is written on ten separate slips (one number on one slip), kept in a box and mixed well. One slip is chosen from the box without looking into it.What is the probability of : getting a number greater than 6.

Discussion

23.	The compound interest, calculated yearly, on a certain sum of money for the second year is Rs.1,089 and for the third year it is Rs. 1,197.90. Calculate the rate of interest and the sum of money.
Answer» The compound interest, calculated yearly, on a certain sum of money for the second year is Rs.1,089 and for the third year it is Rs. 1,197.90. Calculate the rate of interest and the sum of money.

Discussion

24.	A furniture seller bought 20 tables for 120000 Rupees and sold this at a profit equal to the selling price of 4 tables. Find the SP of one table.
Answer» A furniture seller bought 20 tables for 120000 Rupees and sold this at a profit equal to the selling price of 4 tables. Find the SP of one table.

Discussion

25.	If x and y are inversely related, then which of the following represent their constant of proportionality.
Answer» If $x and y$ are inversely related, then which of the following represent their constant of proportionality.

Discussion

26.	A shop gives 20% discount. The sale price of dress marked at Rs.220 would be ______
Answer» A shop gives 20% discount. The sale price of dress marked at Rs.220 would be ______

Discussion

27.	The length, breadth and height of a cuboidal box are 12x,10x and 6x respectively. If its total surface area is 2016 cm2. Find its dimensions.
Answer» The length, breadth and height of a cuboidal box are $12 x, 10 x$ and $6 x$ respectively. If its total surface area is 2016 $c m^{2}$ . Find its dimensions.

Discussion

28.	Find the probability of getting 53 sundays in : 1) a non-leap year 2)leap year
Answer» Find the probability of getting 53 sundays in : 1) a non-leap year 2)leap year

Discussion

29.	To make an upward direction arrow horizontal in rightward direction, ___
Answer» To make an upward direction arrow horizontal in rightward direction, ___

Discussion

30.	A solution of 8% boric acid is to be diluted by adding a 2% boric acid solution to it. The resulting mixture is to be more than 4% but less than 6% boric acid. If we have 640 litres of the 8% solution, have many litres of the 2% solution will have to be added?
Answer» A solution of 8% boric acid is to be diluted by adding a 2% boric acid solution to it. The resulting mixture is to be more than 4% but less than 6% boric acid. If we have 640 litres of the 8% solution, have many litres of the 2% solution will have to be added?

Discussion

31.	A metallic washer of internal diameter 5 cm is heated by 500 ∘C. If the coefficient of linear expansion of metal is 1.8 × 10−5 per ∘C, what will be its final diameter?
Answer» A metallic washer of internal diameter 5 cm is heated by $500^{\circ} C$ . If the coefficient of linear expansion of metal is $1.8 \times 10^{- 5}$ per $^{\circ} C$ , what will be its final diameter?

Discussion

32.	Find two positive numbers in the ratio 2:5 such that their difference is 15??
Answer» Find two positive numbers in the ratio 2:5 such that their difference is 15??

Discussion

33.	Find the areas(in cm2) of shaded regions. [Take π=227]
Answer» Find the areas(in $c m^{2}$ ) of shaded regions. [Take $π = \frac{22}{7}$ ]

Discussion

34.	Find the value of x.
Answer» Find the value of x.

34.

Find the value of x.

Answer»

Find the value of x.

Discussion

35.	Fom a pack of 52 playing cards,a card is drawn at random. What is the probability that it is Either a multiple of 5 or 2. pls show with steps.....
Answer» Fom a pack of 52 playing cards,a card is drawn at random. What is the probability that it is Either a multiple of 5 or 2. pls show with steps.....

Discussion

36.	Area of a square is 49 cm2. Find its perimeter.
Answer» Area of a square is 49 cm². Find its perimeter.

Discussion

37.	Question 1(iv) The following graph shows the temperature of a patient in a hospital, recorded every hour What was the temperature at 1.30p.m.? How did you arrive at your answer?
Answer» Question 1(iv) The following graph shows the temperature of a patient in a hospital, recorded every hour What was the temperature at 1.30p.m.? How did you arrive at your answer?

Discussion

38.	Question 1 (b) Calculate the amount and compound interest on: b) Rs 18,000 for 212% years at 10% per annum compounded annually.
Answer» Question 1 (b) Calculate the amount and compound interest on: b) Rs 18,000 for $2 \frac{1}{2} %$ years at 10% per annum compounded annually.

Discussion

39.	The area of cross section of the wider tube shown in figure is 900 cm2. If the boy standing on the piston weighs 45 kg, find the difference in the levels of water in the two tubes.
Answer» The area of cross section of the wider tube shown in figure is 900 cm². If the boy standing on the piston weighs 45 kg, find the difference in the levels of water in the two tubes.

39.

The area of cross section of the wider tube shown in figure is 900 cm2. If the boy standing on the piston weighs 45 kg, find the difference in the levels of water in the two tubes.

Answer»

The area of cross section of the wider tube shown in figure is 900 cm². If the boy standing on the piston weighs 45 kg, find the difference in the levels of water in the two tubes.

Discussion

40.	The mean of 5 observations is 12. If the mean of the first 3 is 10, then the mean of the other two is ___ .
Answer» The mean of 5 observations is 12. If the mean of the first 3 is 10, then the mean of the other two is ___ .

Discussion

41.	Find the percent of pure gold in 22 - carat gold, if 24 carat gold is hundred percent pure gold.[2 MARKS]
Answer» Find the percent of pure gold in 22 - carat gold, if 24 carat gold is hundred percent pure gold.[2 MARKS]

Discussion

42.	A steamer goes downstream in 5 hours whereas it covers the same distance upstream in 6 hours. If the speed of the stream is 3km/ hr, then the speed of the boat in still water is ?
Answer» A steamer goes downstream in 5 hours whereas it covers the same distance upstream in 6 hours. If the speed of the stream is 3km/ hr, then the speed of the boat in still water is ?

Discussion

43.	How can we came to know where we have to use which identity?
Answer» How can we came to know where we have to use which identity?

Discussion

44.	In the following question, two equations I and II are given. You have to solve both the equations and choose the appropriate answer. I. 2a2+5a−3=0 II. 2b2−5b+3=0
Answer» In the following question, two equations I and II are given. You have to solve both the equations and choose the appropriate answer. I. $2 a^{2} + 5 a - 3 = 0$ II. $2 b^{2} - 5 b + 3 = 0$

44.

In the following question, two equations I and II are given. You have to solve both the equations and choose the appropriate answer. I. 2a2+5a−3=0 II. 2b2−5b+3=0

Answer»

In the following question, two equations I and II are given. You have to solve both the equations and choose the appropriate answer.

I. $2 a^{2} + 5 a - 3 = 0$

II. $2 b^{2} - 5 b + 3 = 0$

Discussion

45.	Compute the volume of 122+82
Answer» Compute the volume of $12^{2} + 8^{2}$

Discussion

46.	If$ a + 10o, 3a + 10o, 5a - 10o and 3a - 10o are the angles of a quadrilateral, then what is the value of a?
Answer» If$ a + 10^o, 3a + 10^o, 5a - 10^o $and$ 3a - 10^o are the angles of a quadrilateral, then what is the value of $a$ ?

46.

If$ a + 10o, 3a + 10o, 5a - 10o and 3a - 10o are the angles of a quadrilateral, then what is the value of a?

Answer»

If$ a + 10^o, 3a + 10^o, 5a - 10^o $and$ 3a - 10^o are the angles of a quadrilateral, then what is the value of $a$ ?

Discussion

47.	Which of the following points lies on the x-axis?
Answer» Which of the following points lies on the x-axis?

Discussion

48.	The top surface of a sweet is in the form of a parallelogram. Length of the base is equal to 4 cm and the height is equal to 3 cm. Find the area of the top surface which is in the form of a parallelogram.
Answer» The top surface of a sweet is in the form of a parallelogram. Length of the base is equal to 4 cm and the height is equal to 3 cm. Find the area of the top surface which is in the form of a parallelogram.

48.

The top surface of a sweet is in the form of a parallelogram. Length of the base is equal to 4 cm and the height is equal to 3 cm. Find the area of the top surface which is in the form of a parallelogram.

Answer»

The top surface of a sweet is in the form of a parallelogram. Length of the base is equal to 4 cm and the height is equal to 3 cm. Find the area of the top surface which is in the form of a parallelogram.

Discussion

49.	In the figure given below, find x if AB \|\| CD \|\| EF.
Answer» In the figure given below, find $x$ if AB \|\| CD \|\| EF.

49.

In the figure given below, find x if AB || CD || EF.

Answer»

In the figure given below, find $x$ if AB || CD || EF.

Discussion

50.	If CP = Rs 110 and SP = Rs 150, then profit is Rs
Answer» If CP = Rs 110 and SP = Rs 150, then profit is Rs

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Using which of the given measurements, a unique triangle can be constructed?

4 men or 6 women earn Rs. 360 in one day. Find, how much will: i) A man earn in one day? ii) A woman earn in one day? iii) 6 men and 4 women earn in one day?

A certain sum of money, invested for 5 years at 8% p.a. simple interest, earns an interest of Rs. 12000. Find: (i) the sum of money (ii) the compound interest earned by this money in two years and at 10% p.a. compound interest.

Find the square root of each of the following correct to three places of decimal : (i) 5 (ii) 7 (iii) 17 (iv) 20 (v) 66 (vi) 427 (vii) 1.7 (viii) 23.1 (ix) 2.5 (x) 237.615 (xi) 15.3215 (xii) 0.9 (xiii) 0.1 (xiv) 0.016 (xv) 0.00064 (xvi) 0.019 (xvii) 78 (xviii)512 (xix) 212 (xx) 28758

What price should Aslam mark on a pair of shoes? Which costs him Rs. 1200 so as to gain 12% after allowing a discount of 16%?

Question 87 (i) Write the greatest common factor in the following: −18a2,108a

A swimming pool can be filled in 4 hours by 8 pumps of the same type how many such pumps are required, if the pool is to be filled in 223 hours?

Factorise: a(a−1)−b(b−1)

What length of a solid cylinder 2cm in diameter must be taken to recast into a hollow cylinder of length 16cm, external diameter 20cm and thickness 2.5mm?

A three dimensional solid shape has 8 faces and 12 vertices. Find the number of edges it will have __

Find the volume of wood used to make a closed box of outer dimensions 60 cm×45 cm×32 cm , the thickness of wood being 2.5 cm all around.

Question 48 Two cylinders A and B are formed by folding a rectangular sheet of dimensions 20 cm×10 cm along its length and also along its breadth respectively. Curved surface area of A is ___ surface area of B.

In the given figure, it is given that AB = CF, EF = BD and ∠AFE = ∠DBC. Then △AFE is congruent to △CBD by which criterion?

A student gets 3 marks for answering a question correctly and loses 1 mark for answering it wrong. Suppose if he answers 5 questions correctly and 2 number of questions wrongly, then marks scored by him are ___

A buckyball has a minimum of ___vertices.

The polynomial equations P1(x) = x3+x2+x+1 and P2(x) = x2−1 have how many zeroes in common?

If a+b+c=0,then find the value of a²/bc +b²/ac +c²/ab.

Mary is wrapping a can of paint to gift a friend. If the can is 11 inches high and has a diameter of 7 inches, how many square inches of wrapping paper will she use for covering the can? ___ (Let π = 3.14)

Question 1 Construct the Quadrilateral LIFT where LI=4 cm, IF = 3 cm, TL = 2.5 CM, LF = 4.5 cm , IT = 4 cm

A point is a figure that has__ dimensions.

Three iron cubes of edge 3 cm, 4 cm and 5 cm respectively, are melted and cast into a single cube. Find the edge of the bigger cube formed.

Question 4(iii) Numbers 1 to 10 is written on ten separate slips (one number on one slip), kept in a box and mixed well. One slip is chosen from the box without looking into it.What is the probability of : getting a number greater than 6.

The compound interest, calculated yearly, on a certain sum of money for the second year is Rs.1,089 and for the third year it is Rs. 1,197.90. Calculate the rate of interest and the sum of money.

A furniture seller bought 20 tables for 120000 Rupees and sold this at a profit equal to the selling price of 4 tables. Find the SP of one table.

If x and y are inversely related, then which of the following represent their constant of proportionality.

A shop gives 20% discount. The sale price of dress marked at Rs.220 would be ______

The length, breadth and height of a cuboidal box are 12x,10x and 6x respectively. If its total surface area is 2016 cm2. Find its dimensions.

Find the probability of getting 53 sundays in : 1) a non-leap year 2)leap year

To make an upward direction arrow horizontal in rightward direction, ___

A solution of 8% boric acid is to be diluted by adding a 2% boric acid solution to it. The resulting mixture is to be more than 4% but less than 6% boric acid. If we have 640 litres of the 8% solution, have many litres of the 2% solution will have to be added?

A metallic washer of internal diameter 5 cm is heated by 500 ∘C. If the coefficient of linear expansion of metal is 1.8 × 10−5 per ∘C, what will be its final diameter?

Find two positive numbers in the ratio 2:5 such that their difference is 15??

Find the areas(in cm2) of shaded regions. [Take π=227]

Find the value of x.

Fom a pack of 52 playing cards,a card is drawn at random. What is the probability that it is Either a multiple of 5 or 2. pls show with steps.....

Area of a square is 49 cm2. Find its perimeter.

Question 1(iv) The following graph shows the temperature of a patient in a hospital, recorded every hour What was the temperature at 1.30p.m.? How did you arrive at your answer?

Question 1 (b) Calculate the amount and compound interest on: b) Rs 18,000 for 212% years at 10% per annum compounded annually.

The area of cross section of the wider tube shown in figure is 900 cm2. If the boy standing on the piston weighs 45 kg, find the difference in the levels of water in the two tubes.

The mean of 5 observations is 12. If the mean of the first 3 is 10, then the mean of the other two is ___ .

Find the percent of pure gold in 22 - carat gold, if 24 carat gold is hundred percent pure gold.[2 MARKS]

A steamer goes downstream in 5 hours whereas it covers the same distance upstream in 6 hours. If the speed of the stream is 3km/ hr, then the speed of the boat in still water is ?

How can we came to know where we have to use which identity?

In the following question, two equations I and II are given. You have to solve both the equations and choose the appropriate answer. I. 2a2+5a−3=0 II. 2b2−5b+3=0

Compute the volume of 122+82

If$ a + 10o, 3a + 10o, 5a - 10o and 3a - 10o are the angles of a quadrilateral, then what is the value of a?

Which of the following points lies on the x-axis?

The top surface of a sweet is in the form of a parallelogram. Length of the base is equal to 4 cm and the height is equal to 3 cm. Find the area of the top surface which is in the form of a parallelogram.

In the figure given below, find x if AB || CD || EF.

If CP = Rs 110 and SP = Rs 150, then profit is Rs