25365 + Interview Questions in Mathematics Page 504 InterviewSolution

25151.	If a △QPR is right angled at P, then which is the longest side of the triangle?
Answer» If a $△$ QPR is right angled at P, then which is the longest side of the triangle?

Discussion

25152.	The point of contact of the given circles x2+y2−6x−6y+10=0 and x2+y2=2, is
Answer» The point of contact of the given circles $x^{2} + y^{2} - 6 x - 6 y + 10 = 0$ and $x^{2} + y^{2} = 2$ , is

Discussion

25153.	The bill amount of an article is Rs 550 and its sale price is Rs 500. Find the rate of sales tax charged.
Answer» The bill amount of an article is Rs 550 and its sale price is Rs 500. Find the rate of sales tax charged.

Discussion

25154.	An item marked at ₹840 is sold for ₹714. What is the discount and discount %?
Answer» An item marked at ₹840 is sold for ₹714. What is the discount and discount %?

Discussion

25155.	△ABC is an isosceles triangle, in which AB=AC. Side BA is produced to D such that AD=AB. ∠BCD is equal to ___.
Answer» $△$ ABC is an isosceles triangle, in which AB=AC. Side BA is produced to D such that AD=AB. $∠$ BCD is equal to ___.

25155.

△ABC is an isosceles triangle, in which AB=AC. Side BA is produced to D such that AD=AB. ∠BCD is equal to ___.

Answer»

$△$ ABC is an isosceles triangle, in which AB=AC. Side BA is produced to D such that AD=AB. $∠$ BCD is equal to ___.

Discussion

25156.	ABCD is a rectangle with ∠ABD=40∘. Determine ∠DBC+∠BAC [3 MARKS]
Answer» ABCD is a rectangle with $∠ A B D = 40^{\circ}$ . Determine $∠ D B C + ∠ B A C$ [3 MARKS]

Discussion

25157.	Which of the following is one of the factors of (x4+x2−20)
Answer» Which of the following is one of the factors of $(x^{4} + x^{2} - 20)$

25157.

Which of the following is one of the factors of (x4+x2−20)

Answer»

Which of the following is one of the factors of

$(x^{4} + x^{2} - 20)$

Discussion

25158.	What is the average percentage rise in profit of company L over all the years together?
Answer» What is the average percentage rise in profit of company L over all the years together?

Discussion

25159.	In a Ranji match, 20 teams scored the following scores. Arrange the given data in grouped frequency distribution. Scores: 11, 15, 23, 25, 31, 33, 39, 42, 43, 49, 51, 56, 65, 75, 79, 89, 99, 98, 92, 91 [2 MARKS]
Answer» In a Ranji match, 20 teams scored the following scores. Arrange the given data in grouped frequency distribution. Scores: 11, 15, 23, 25, 31, 33, 39, 42, 43, 49, 51, 56, 65, 75, 79, 89, 99, 98, 92, 91 [2 MARKS]

Discussion

25160.	How many lines of symmetry are there in an equilateral triangle? ___
Answer» How many lines of symmetry are there in an equilateral triangle? ___

Discussion

25161.	Find the area of an equilateral triangle of side 10 cm.
Answer» Find the area of an equilateral triangle of side 10 cm.

Discussion

25162.	Which of the following are true? i) All squares are rhombuses. ii) All parallelograms are rectangles. iii) All rhombuses are trapeziums iv) All squares are rectangles.
Answer» Which of the following are true? i) All squares are rhombuses. ii) All parallelograms are rectangles. iii) All rhombuses are trapeziums iv) All squares are rectangles.

25162.

Which of the following are true? i) All squares are rhombuses. ii) All parallelograms are rectangles. iii) All rhombuses are trapeziums iv) All squares are rectangles.

Answer»

Which of the following are true?

i) All squares are rhombuses.

ii) All parallelograms are rectangles.

iii) All rhombuses are trapeziums

iv) All squares are rectangles.

Discussion

25163.	The Debt Equity ratio is 3. What will be the impact on the following transactions, and find out the increase, decrease or no change in the ratio. (i) Buy back of equity shares. (ii) Purchase of a building on a deferred payment basis. (iii) Issued shares in consideration of purchase of a machinery. (iv) Debentures matured but not paid.
Answer» The Debt Equity ratio is 3. What will be the impact on the following transactions, and find out the increase, decrease or no change in the ratio. (i) Buy back of equity shares. (ii) Purchase of a building on a deferred payment basis. (iii) Issued shares in consideration of purchase of a machinery. (iv) Debentures matured but not paid.

25163.

The Debt Equity ratio is 3. What will be the impact on the following transactions, and find out the increase, decrease or no change in the ratio. (i) Buy back of equity shares. (ii) Purchase of a building on a deferred payment basis. (iii) Issued shares in consideration of purchase of a machinery. (iv) Debentures matured but not paid.

Answer»

The Debt Equity ratio is 3. What will be the impact on the following transactions, and find out the increase, decrease or no change in the ratio.

(i) Buy back of equity shares.

(ii) Purchase of a building on a deferred payment basis.

(iii) Issued shares in consideration of purchase of a machinery.

(iv) Debentures matured but not paid.

Discussion

25164.	Find the number of sides in a regular polygon, if its interior angle is equal to its exterior angle.
Answer» Find the number of sides in a regular polygon, if its interior angle is equal to its exterior angle.

Discussion

25165.	x is defined as 30% of 30. y=x2+4x+7, then what is y?
Answer» x is defined as 30% of 30. $y = x^{2} + 4 x + 7$ , then what is y?

Discussion

25166.	Tick the correct answer in each of the following :From a well-shuffled deck of 52 cards, one card is drawn at random. What is the probability that the drawn card is a black 6 ?(a) 326(b) 126(c) 113(d) 152
Answer» $Tick the correct answer in each of the following : From a well-shuffled deck of 52 cards, one card is drawn at random. What is the probability that the drawn card is a black 6 ? (a) \frac{3}{26} (b) \frac{1}{26} (c) \frac{1}{13} (d) \frac{1}{52}$

Discussion

25167.	Solution of the equation 3x + 3 = 15 is ___ .
Answer» Solution of the equation 3x + 3 = 15 is ___ .

Discussion

25168.	In a class of 25 students, there are 15 boys. What is the percentage of girls in this class?
Answer» In a class of $25$ students, there are $15$ boys. What is the percentage of girls in this class?

Discussion

25169.	Raghu has enough money to buy 75 machines worth Rs. 200 each. How many machines can he buy if he gets a discount of Rs. 50 on each machine ?
Answer» Raghu has enough money to buy 75 machines worth Rs. 200 each. How many machines can he buy if he gets a discount of Rs. 50 on each machine ?

Discussion

25170.	Factorise : 2a+6b−3(a+3b)2
Answer» Factorise : $2 a + 6 b - 3 (a + 3 b)^{2}$

Discussion

25171.	Question 75 From the given pie chart, we can infer that production of Manganese is least in state B.
Answer» Question 75 From the given pie chart, we can infer that production of Manganese is least in state B.

25171.

Question 75 From the given pie chart, we can infer that production of Manganese is least in state B.

Answer»

Question 75

From the given pie chart, we can infer that production of Manganese is least in state B.

Discussion

25172.	Question 123 Solve the following question: Find the number of plants in each row, if 1024 plants are arranged, so that number of plants in a row is same as the number of rows.
Answer» Question 123 Solve the following question: Find the number of plants in each row, if 1024 plants are arranged, so that number of plants in a row is same as the number of rows.

25172.

Question 123 Solve the following question: Find the number of plants in each row, if 1024 plants are arranged, so that number of plants in a row is same as the number of rows.

Answer»

Question 123

Solve the following question:

Find the number of plants in each row, if 1024 plants are arranged, so that number of plants in a row is same as the number of rows.

Discussion

25173.	8y=64.find the value of y
Answer» $8^{y} = 64$ .find the value of y

Discussion

25174.	Question 39 In the given question, state whether the given statement is True or False. Number 7N + 1 will leave remainder 1 when divided by 7.
Answer» Question 39 In the given question, state whether the given statement is True or False. Number 7N + 1 will leave remainder 1 when divided by 7.

Discussion

25175.	A can do a piece of work in 6 days and B can do it in 8 days . How long will they take to complete it together ?
Answer» A can do a piece of work in 6 days and B can do it in 8 days . How long will they take to complete it together ?

Discussion

25176.	Which of the following is not a 3D shape?
Answer» Which of the following is not a 3D shape?

Discussion

25177.	Cube of −12 is
Answer» Cube of $\frac{- 1}{2}$ is

Discussion

25178.	Question 41 In the given question, state whether the given statement is True or False. If AB×4=192, then A + B = 7
Answer» Question 41 In the given question, state whether the given statement is True or False. If $A B \times 4 = 192,$ then A + B = 7

Discussion

25179.	All the three dimensions shown in the figure above are equal. It is called a ___ .
Answer» All the three dimensions shown in the figure above are equal. It is called a ___ .

25179.

All the three dimensions shown in the figure above are equal. It is called a ___ .

Answer»

All the three dimensions shown in the figure above are equal. It is called a ___ .

Discussion

25180.	Dear sir/Ma'am I have a problem in solving this question Q. The lateral surface area of a hollow cylinder is 4224 cm2 it is cut along its height and formed a rectangular sheet of width 33 cm find the perimeter of rectangular sheet?
Answer» Dear sir/Ma'am I have a problem in solving this question Q. The lateral surface area of a hollow cylinder is 4224 cm² it is cut along its height and formed a rectangular sheet of width 33 cm find the perimeter of rectangular sheet?

Discussion

25181.	If the length of a rectangle is "l” and width is "b”, then perimeter of the rectangle is:
Answer» If the length of a rectangle is "l” and width is "b”, then perimeter of the rectangle is:

Discussion

25182.	Simplify: 1−2x+x21−x3×1+x+x21+x
Answer» Simplify: $\frac{1 - 2 x + x^{2}}{1 - x^{3}} \times \frac{1 + x + x^{2}}{1 + x}$

Discussion

25183.	I have a total of Rs. 300 in coins of denomination Rs. 1, Rs. 2 and Rs. 5. The number of Rs. 2 coins is 3 times the number of Rs. 5 coins. The total number of coins is 160. How many coins of each denomination are with me?
Answer» I have a total of $R s . 300$ in coins of denomination $R s . 1,$ $R s . 2$ and $R s . 5.$ The number of $R s . 2$ coins is $3$ times the number of $R s . 5$ coins. The total number of coins is $160.$ How many coins of each denomination are with me?

Discussion

25184.	Aayushi buys a TV for Rs 12,000 and expand Rs 500 on cartage and finally sells it back for Rs 10,000 after 3 months. Find her loss amount.
Answer» Aayushi buys a TV for Rs 12,000 and expand Rs 500 on cartage and finally sells it back for Rs 10,000 after 3 months. Find her loss amount.

Discussion

25185.	Solve for x in the following equation: x=25(x+9)
Answer» Solve for x in the following equation: $x = \frac{2}{5} (x + 9)$

25185.

Solve for x in the following equation: x=25(x+9)

Answer»

Solve for x in the following equation:

$x = \frac{2}{5} (x + 9)$

Discussion

25186.	Using ruler and compasses only, construct a rhombus whose diagonals are 8 cm and 6 cm. Measure the length of its one side.
Answer» Using ruler and compasses only, construct a rhombus whose diagonals are 8 cm and 6 cm. Measure the length of its one side.

Discussion

25187.	Find a number such that when 5 is subtracted from 5 times the number, the result is 4 more than twice the number.
Answer» Find a number such that when $5$ is subtracted from $5$ times the number, the result is $4$ more than twice the number.

Discussion

25188.	Use the information given in the alongside diagram to find the value of x, y and z.
Answer» $Use the information given in the alongside diagram to find the value of x, y and z.$

25188.

Use the information given in the alongside diagram to find the value of x, y and z.

Answer»

$Use the information given in the alongside diagram to find the value of x, y and z.$

Discussion

25189.	Express 289 as a sum of two consecutive integers.
Answer» Express 289 as a sum of two consecutive integers.

Discussion

25190.	If a parallelogram and a rectangle are on the same base and between the same parallels, then the perimeter of a parallelogram is__ than the perimeter of a rectangle.
Answer» If a parallelogram and a rectangle are on the same base and between the same parallels, then the perimeter of a parallelogram is__ than the perimeter of a rectangle.

Discussion

25191.	Tom and Jerry are in front of a magical world. The door of the magical world has the following design. Find the number of lines of symmetry in the given design.
Answer» Tom and Jerry are in front of a magical world. The door of the magical world has the following design. Find the number of lines of symmetry in the given design.

25191.

Tom and Jerry are in front of a magical world. The door of the magical world has the following design. Find the number of lines of symmetry in the given design.

Answer»

Tom and Jerry are in front of a magical world. The door of the magical world has the following design.

Find the number of lines of symmetry in the given design.

Discussion

25192.	Simplify the given expression. 133+74−113−14
Answer» Simplify the given expression. $\frac{13}{3} + \frac{7}{4} - \frac{11}{3} - \frac{1}{4}$

Discussion

25193.	The dimensions of a room are (10m×8m×3.3m). How many men can be accommodated in this room if each man requires 3 m 3 of space? (a) 99 (b) 88 (c) 77 (d) 75
Answer» The dimensions of a room are $(10 m \times 8 m \times 3.3 m)$ . How many men can be accommodated in this room if each man requires 3 m 3 of space? (a) 99 (b) 88 (c) 77 (d) 75

25193.

The dimensions of a room are (10m×8m×3.3m). How many men can be accommodated in this room if each man requires 3 m 3 of space? (a) 99 (b) 88 (c) 77 (d) 75

Answer»

The dimensions of a room are $(10 m \times 8 m \times 3.3 m)$ . How many men can be accommodated in this room if each man requires 3 m 3 of space?

(a) 99

(b) 88

(c) 77

(d) 75

Discussion

25194.	Ravi starts for his school at 8:20 am on his bicycle. If he travels at a speed of 10 km/h then he reaches his school late by 8 minutes but on traveling at 16 km/h, he reaches the school 10 minutes early. At what time does school start?
Answer» Ravi starts for his school at $8 : 20$ am on his bicycle. If he travels at a speed of $10$ km/h then he reaches his school late by $8$ minutes but on traveling at $16$ km/h, he reaches the school $10$ minutes early. At what time does school start?

25194.

Ravi starts for his school at 8:20 am on his bicycle. If he travels at a speed of 10 km/h then he reaches his school late by 8 minutes but on traveling at 16 km/h, he reaches the school 10 minutes early. At what time does school start?

Answer»

Ravi starts for his school at $8 : 20$ am on his bicycle. If he travels at a speed of $10$ km/h then he reaches his school late by $8$ minutes but on traveling at $16$ km/h, he reaches the school $10$ minutes early. At what time does school start?

Discussion

25195.	Simplify: 5x2×4x3
Answer» Simplify: $5 x^{2} \times 4 x^{3}$

Discussion

25196.	A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is : (i) a black king (ii) either a black card or a king (iii) black and a king (iv) a jack, queen or a king (v) neither a heart nor a king (vi) spade or an ace (vii) neither a red card nor a queen (ix) other than an ace (x) a ten (xi) a spade (xii) a black card (xiii) the seven of clubs (xiv) jack (xv) the ace of spades (xvi) a queen (xvii) a heart (xviii) a red card
Answer» A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is : (i) a black king (ii) either a black card or a king (iii) black and a king (iv) a jack, queen or a king (v) neither a heart nor a king (vi) spade or an ace (vii) neither a red card nor a queen (ix) other than an ace (x) a ten (xi) a spade (xii) a black card (xiii) the seven of clubs (xiv) jack (xv) the ace of spades (xvi) a queen (xvii) a heart (xviii) a red card

25196.

A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is : (i) a black king (ii) either a black card or a king (iii) black and a king (iv) a jack, queen or a king (v) neither a heart nor a king (vi) spade or an ace (vii) neither a red card nor a queen (ix) other than an ace (x) a ten (xi) a spade (xii) a black card (xiii) the seven of clubs (xiv) jack (xv) the ace of spades (xvi) a queen (xvii) a heart (xviii) a red card

Answer»

A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is :

(i) a black king

(ii) either a black card or a king

(iii) black and a king

(iv) a jack, queen or a king

(v) neither a heart nor a king

(vi) spade or an ace

(vii) neither a red card nor a queen

(ix) other than an ace

(x) a ten

(xi) a spade

(xii) a black card

(xiii) the seven of clubs

(xiv) jack

(xv) the ace of spades

(xvi) a queen

(xvii) a heart

(xviii) a red card

Discussion

25197.	A flooring tile has the shape of a parallelogram whose base is 24 cm and the corresponding height is 10 cm.How many such tiles are required to cover a floor of area 1080 m2 ?
Answer» A flooring tile has the shape of a parallelogram whose base is 24 cm and the corresponding height is 10 cm.How many such tiles are required to cover a floor of area 1080 $m^{2}$ ?

Discussion

25198.	Find the squares of the following using the method of squaring 2- digit numbers having unit digit as 5 a) 45
Answer» Find the squares of the following using the method of squaring 2- digit numbers having unit digit as 5 a) 45

Discussion

25199.	The area of trapezium is 440 cm2. The lengths of the parallel sides are respectively 10cm and 14cm. Find the distance between them.
Answer» The area of trapezium is 440 $c m^{2}$ . The lengths of the parallel sides are respectively 10cm and 14cm. Find the distance between them.

Discussion

25200.	The equation of a circle which touches both axes and the line 3x - 4y + 8 =0 and whose centre lies in the third quadrant is
Answer» The equation of a circle which touches both axes and the line 3x - 4y + 8 =0 and whose centre lies in the third quadrant is

Discussion

Explore topic-wise InterviewSolutions in .

If a △QPR is right angled at P, then which is the longest side of the triangle?

The point of contact of the given circles x2+y2−6x−6y+10=0 and x2+y2=2, is

The bill amount of an article is Rs 550 and its sale price is Rs 500. Find the rate of sales tax charged.

An item marked at ₹840 is sold for ₹714. What is the discount and discount %?

△ABC is an isosceles triangle, in which AB=AC. Side BA is produced to D such that AD=AB. ∠BCD is equal to ___.

ABCD is a rectangle with ∠ABD=40∘. Determine ∠DBC+∠BAC [3 MARKS]

Which of the following is one of the factors of (x4+x2−20)

What is the average percentage rise in profit of company L over all the years together?

In a Ranji match, 20 teams scored the following scores. Arrange the given data in grouped frequency distribution. Scores: 11, 15, 23, 25, 31, 33, 39, 42, 43, 49, 51, 56, 65, 75, 79, 89, 99, 98, 92, 91 [2 MARKS]

How many lines of symmetry are there in an equilateral triangle? ___

Find the area of an equilateral triangle of side 10 cm.

Which of the following are true? i) All squares are rhombuses. ii) All parallelograms are rectangles. iii) All rhombuses are trapeziums iv) All squares are rectangles.

Find the number of sides in a regular polygon, if its interior angle is equal to its exterior angle.

x is defined as 30% of 30. y=x2+4x+7, then what is y?

Tick the correct answer in each of the following :From a well-shuffled deck of 52 cards, one card is drawn at random. What is the probability that the drawn card is a black 6 ?(a) 326(b) 126(c) 113(d) 152

Solution of the equation 3x + 3 = 15 is ___ .

In a class of 25 students, there are 15 boys. What is the percentage of girls in this class?

Raghu has enough money to buy 75 machines worth Rs. 200 each. How many machines can he buy if he gets a discount of Rs. 50 on each machine ?

Factorise : 2a+6b−3(a+3b)2

Question 75 From the given pie chart, we can infer that production of Manganese is least in state B.

Question 123 Solve the following question: Find the number of plants in each row, if 1024 plants are arranged, so that number of plants in a row is same as the number of rows.

8y=64.find the value of y

Question 39 In the given question, state whether the given statement is True or False. Number 7N + 1 will leave remainder 1 when divided by 7.

A can do a piece of work in 6 days and B can do it in 8 days . How long will they take to complete it together ?

Which of the following is not a 3D shape?

Cube of −12 is

Question 41 In the given question, state whether the given statement is True or False. If AB×4=192, then A + B = 7

All the three dimensions shown in the figure above are equal. It is called a ___ .

Dear sir/Ma'am I have a problem in solving this question Q. The lateral surface area of a hollow cylinder is 4224 cm​​​​​2 it is cut along its height and formed a rectangular sheet of width 33 cm find the perimeter of rectangular sheet?

If the length of a rectangle is "l” and width is "b”, then perimeter of the rectangle is:

Simplify: 1−2x+x21−x3×1+x+x21+x

I have a total of Rs. 300 in coins of denomination Rs. 1, Rs. 2 and Rs. 5. The number of Rs. 2 coins is 3 times the number of Rs. 5 coins. The total number of coins is 160. How many coins of each denomination are with me?

Aayushi buys a TV for Rs 12,000 and expand Rs 500 on cartage and finally sells it back for Rs 10,000 after 3 months. Find her loss amount.

Solve for x in the following equation: x=25(x+9)

Using ruler and compasses only, construct a rhombus whose diagonals are 8 cm and 6 cm. Measure the length of its one side.

Find a number such that when 5 is subtracted from 5 times the number, the result is 4 more than twice the number.

Use the information given in the alongside diagram to find the value of x, y and z.

Express 289 as a sum of two consecutive integers.

If a parallelogram and a rectangle are on the same base and between the same parallels, then the perimeter of a parallelogram is__ than the perimeter of a rectangle.

Tom and Jerry are in front of a magical world. The door of the magical world has the following design. Find the number of lines of symmetry in the given design.

Simplify the given expression. 133+74−113−14

The dimensions of a room are (10m×8m×3.3m). How many men can be accommodated in this room if each man requires 3 m 3 of space? (a) 99 (b) 88 (c) 77 (d) 75

Ravi starts for his school at 8:20 am on his bicycle. If he travels at a speed of 10 km/h then he reaches his school late by 8 minutes but on traveling at 16 km/h, he reaches the school 10 minutes early. At what time does school start?

Simplify: 5x2×4x3

A flooring tile has the shape of a parallelogram whose base is 24 cm and the corresponding height is 10 cm.How many such tiles are required to cover a floor of area 1080 m2 ?

Find the squares of the following using the method of squaring 2- digit numbers having unit digit as 5 a) 45

The area of trapezium is 440 cm2. The lengths of the parallel sides are respectively 10cm and 14cm. Find the distance between them.

The equation of a circle which touches both axes and the line 3x - 4y + 8 =0 and whose centre lies in the third quadrant is

Dear sir/Ma'am I have a problem in solving this question Q. The lateral surface area of a hollow cylinder is 4224 cm2 it is cut along its height and formed a rectangular sheet of width 33 cm find the perimeter of rectangular sheet?