25365 + Interview Questions in Mathematics

1.	In an army camp, there was food for 1000 soldiers for one month. After 10 days 1000 more soldiers joined. How long would the remaining food be sufficient for the soldiers?
Answer» In an army camp, there was food for 1000 soldiers for one month. After 10 days 1000 more soldiers joined. How long would the remaining food be sufficient for the soldiers?

Discussion

2.	Show that the sum of (m + n)th and (m - n)th terms of an A.P. is equal to twice the mth terms.
Answer» Show that the sum of (m + n)th and (m - n)th terms of an A.P. is equal to twice the mth terms.

Discussion

3.	The altitude of a triangle is five-thirds the length of its corresponding base. If the altitude is increased by 4 cm and the base decreased by 2 cm, the area of the triangle would remain the same. Find the base and altitude of the triangle.
Answer» The altitude of a triangle is five-thirds the length of its corresponding base. If the altitude is increased by 4 cm and the base decreased by 2 cm, the area of the triangle would remain the same. Find the base and altitude of the triangle.

Discussion

4.	Fill in the blanks using one of the words given in brackets.(i) Where is the child ________ parents have come to school? (who/whose/which)(ii) I saw many houses ________ were quite spacious. (which/whose/who).(iii) Mathematics, ________ is my favourite subject, is so interesting. (who/which/that)(iv) The poem ________ you read out, is so lovely. (whose/which/that)(v) I know the street ________ he lives on. (whose/ that/which)(vi) I like reading books ________ have pictures in it. (that/who/which)(vii) The old lady _______________ I met in your house is my neighbour. (whom / that/which)
Answer» Fill in the blanks using one of the words given in brackets. (i) Where is the child ________ parents have come to school? (who/whose/which) (ii) I saw many houses ________ were quite spacious. (which/whose/who). (iii) Mathematics, ________ is my favourite subject, is so interesting. (who/which/that) (iv) The poem ________ you read out, is so lovely. (whose/which/that) (v) I know the street ________ he lives on. (whose/ that/which) (vi) I like reading books ________ have pictures in it. (that/who/which) (vii) The old lady _______________ I met in your house is my neighbour. (whom / that/which)

4.

Fill in the blanks using one of the words given in brackets.(i) Where is the child parents have come to school? (who/whose/which)(ii) I saw many houses were quite spacious. (which/whose/who).(iii) Mathematics, is my favourite subject, is so interesting. (who/which/that)(iv) The poem you read out, is so lovely. (whose/which/that)(v) I know the street he lives on. (whose/ that/which)(vi) I like reading books have pictures in it. (that/who/which)(vii) The old lady _______ I met in your house is my neighbour. (whom / that/which)

Answer»

Fill in the blanks using one of the words given in brackets.

(i) Where is the child ________ parents have come to school? (who/whose/which)

(ii) I saw many houses ________ were quite spacious. (which/whose/who).

(iii) Mathematics, ________ is my favourite subject, is so interesting. (who/which/that)

(iv) The poem ________ you read out, is so lovely. (whose/which/that)

(v) I know the street ________ he lives on. (whose/ that/which)

(vi) I like reading books ________ have pictures in it. (that/who/which)

(vii) The old lady _______________ I met in your house is my neighbour. (whom / that/which)

Discussion

5.	Factorise the following.(A) 4x2−20x+25(B) a3−4a2+12−3a
Answer» Factorise the following. (A) $4 x^{2} - 20 x + 25$ (B) $a^{3} - 4 a^{2} + 12 - 3 a$

Discussion

6.	A number decreased by 28% becomes 540. Find the number.
Answer» A number decreased by 28% becomes 540. Find the number.

Discussion

7.	Question 17In a school, students thought of planting trees in and around the school to reduce air pollution. It was decided that the number of trees, that each section of each class will plant, will be the same as the class, in which they are studying, e.g., a section of class I will plant 1 tree, a section of class II will plant 2 trees and so on till class XII. There are three sections of each class. How many trees will be planted by the students?
Answer» Question 17 In a school, students thought of planting trees in and around the school to reduce air pollution. It was decided that the number of trees, that each section of each class will plant, will be the same as the class, in which they are studying, e.g., a section of class I will plant 1 tree, a section of class II will plant 2 trees and so on till class XII. There are three sections of each class. How many trees will be planted by the students?

Discussion

8.	Show that 24n+4-15n-16, where n ∈ ℕ is divisible by 225.
Answer» Show that $2^{4 n + 4} - 15 n - 16$ , where n ∈ $ℕ$ is divisible by 225.

Discussion

9.	25 × 2x^-4 ÷ 5^-2 × 10x^-6 = 125x^2
Answer» 25 × 2x^-4 ÷ 5^-2 × 10x^-6 = 125x^2

Discussion

10.	A and B are joined sets.If n(A−B)=25+x, n(B−A)=2x, n(A∩B)=2x and n(A) = 2[n(B)], then x = ____.
Answer» A and B are joined sets.If $n (A - B) = 25 + x,$ $n (B - A) = 2 x,$ $n (A \cap B) = 2 x$ and n(A) = 2[n(B)], then x = ____.

Discussion

11.	In the given figure, OQ : PQ = 3.4 and perimeter of Δ POQ = 60 cm. Determine PQ, QR and OP.
Answer» In the given figure, OQ : PQ = 3.4 and perimeter of Δ POQ = 60 cm. Determine PQ, QR and OP.

Discussion

12.	What is the fraction of the unshaded part?
Answer» What is the fraction of the unshaded part?

12.

What is the fraction of the unshaded part?

Answer»

What is the fraction of the unshaded part?

Discussion

13.	Question 5 Observe the following pattern and supply the missing numbers. 112=1211012=10201101012=10203020110101012=..........................2=10203040504030201
Answer» Question 5 Observe the following pattern and supply the missing numbers. $11^{2} = 121 101^{2} = 10201 10101^{2} = 102030201 1010101^{2} = . . . . . . . . . . . . . . . . . . . . . . . . . .^{2} = 10203040504030201$

13.

Question 5 Observe the following pattern and supply the missing numbers. 112=1211012=10201101012=10203020110101012=..........................2=10203040504030201

Answer»

Question 5
Observe the following pattern and supply the missing numbers.

$11^{2} = 121 101^{2} = 10201 10101^{2} = 102030201 1010101^{2} = . . . . . . . . . . . . . . . . . . . . . . . . . .^{2} = 10203040504030201$

Discussion

14.	y = x is represented by the point:
Answer» y = x is represented by the point:

Discussion

15.	During a sale, a shop offered a discount of 10% on the marked prices of all the items. What would a customer have to pay for a pair of jeans marked at Rs 1450 and two shirts marked at Rs 850 each?
Answer» During a sale, a shop offered a discount of 10% on the marked prices of all the items. What would a customer have to pay for a pair of jeans marked at Rs 1450 and two shirts marked at Rs 850 each?

Discussion

16.	If y increases with an increase in x and y decreases with a decrease in x, then they are said to follow _______.
Answer» If y increases with an increase in x and y decreases with a decrease in x, then they are said to follow _______.

Discussion

17.	Find the perimeter of a rectangle if its diagonal is 5 cm and the smaller side is 3 cm as shown in the figure below.
Answer» Find the perimeter of a rectangle if its diagonal is 5 cm and the smaller side is 3 cm as shown in the figure below.

Discussion

18.	How much part of the circle we need to shade to show 25% data in the pie chart?
Answer» How much part of the circle we need to shade to show 25% data in the pie chart?

Discussion

19.	The volume of a cylinder of height 8 cm is 1232 cm3. Find its curved surface area and the total surface area.
Answer» The volume of a cylinder of height 8 cm is $1232 c m^{3}$ . Find its curved surface area and the total surface area.

Discussion

20.	If the selling price of 16 water bottles is equal to cost price of 17 water bottles . Find the gain per cent earned by the dealer.
Answer» If the selling price of $16$ water bottles is equal to cost price of $17$ water bottles . Find the gain per cent earned by the dealer.

Discussion

21.	Find the volume of the cylinder, if the circumference of the cylinder is 88 cm and the height is 20 cm? Take π=227
Answer» Find the volume of the cylinder, if the circumference of the cylinder is 88 cm and the height is 20 cm? Take $π$ = $\frac{22}{7}$

21.

Find the volume of the cylinder, if the circumference of the cylinder is 88 cm and the height is 20 cm? Take π=227

Answer»

Find the volume of the cylinder, if the circumference of the cylinder is 88 cm and the height is 20 cm?

Take $π$ = $\frac{22}{7}$

Discussion

22.	A triangle is formed with all its vertices lying on a circle. One of the sides of the triangle is equal to the radius of the circle. Find the angle of the triangle opposite to the side having a length equal to the circle's radius. degrees
Answer» A triangle is formed with all its vertices lying on a circle. One of the sides of the triangle is equal to the radius of the circle. Find the angle of the triangle opposite to the side having a length equal to the circle's radius. degrees

Discussion

23.	Simplify the following. (i) (−1) × 2 × (−3) (ii) 1 × (−2) × 3 (iii) (−2) × (−3) × (−4) (iv) (−1) × (−1) (v) (−1)3 (vi) (−1)5 (vii) (−1)99
Answer» Simplify the following. (i) (−1) × 2 × (−3) (ii) 1 × (−2) × 3 (iii) (−2) × (−3) × (−4) (iv) (−1) × (−1) (v) (−1)³ (vi) (−1)⁵ (vii) (−1)⁹⁹

23.

Simplify the following. (i) (−1) × 2 × (−3) (ii) 1 × (−2) × 3 (iii) (−2) × (−3) × (−4) (iv) (−1) × (−1) (v) (−1)3 (vi) (−1)5 (vii) (−1)99

Answer»

Simplify the following.

(i) (−1) × 2 × (−3)

(ii) 1 × (−2) × 3

(iii) (−2) × (−3) × (−4)

(iv) (−1) × (−1)

(v) (−1)³

(vi) (−1)⁵

(vii) (−1)⁹⁹

Discussion

24.	Question 8ABC and DBC are two triangles on the same base BC such that A and D lie on the opposite sides of BC, AB = AC and DB = DC. Show that AD is the perpendicular bisector of BC.
Answer» Question 8 ABC and DBC are two triangles on the same base BC such that A and D lie on the opposite sides of BC, AB = AC and DB = DC. Show that AD is the perpendicular bisector of BC.

Discussion

25.	7. In an essay competition, the odds in favour of the competition p, q, r, s are 1:2, 1:3, 1:4, 1:5 respectively. Find the probability that one of them wins the competition.
Answer» 7. In an essay competition, the odds in favour of the competition p, q, r, s are 1:2, 1:3, 1:4, 1:5 respectively. Find the probability that one of them wins the competition.

Discussion

26.	Question 122 A mother and her two daughters got a room constructed for Rs. 62000. The elder daughter contributes 38 of her mother's contribution while the younger daughter contributes 12 of her mother's share. How much do the three contribute individually?
Answer» Question 122 A mother and her two daughters got a room constructed for Rs. 62000. The elder daughter contributes $\frac{3}{8}$ of her mother's contribution while the younger daughter contributes $\frac{1}{2}$ of her mother's share. How much do the three contribute individually?

Discussion

27.	Evaluate: √1681
Answer» Evaluate: $\sqrt{\frac{16}{81}}$

Discussion

28.	Preeti bought 812 kg of sugar for Rs 24214. Find the price of sugar per kg.
Answer» Preeti bought $8 \frac{1}{2}$ kg of sugar for Rs $242 \frac{1}{4}$ . Find the price of sugar per kg.

Discussion

29.	Question 86 A packet of sweet was distributed among 10 children and each of them received 4 sweets. If it is distributed among 8 children, how many sweets will each child get?
Answer» Question 86 A packet of sweet was distributed among 10 children and each of them received 4 sweets. If it is distributed among 8 children, how many sweets will each child get?

29.

Question 86 A packet of sweet was distributed among 10 children and each of them received 4 sweets. If it is distributed among 8 children, how many sweets will each child get?

Answer»

Question 86

A packet of sweet was distributed among 10 children and each of them received 4 sweets. If it is distributed among 8 children, how many sweets will each child get?

Discussion

30.	Question 3 (iii)Are the following pair of linear equations consistent? Justify your answer2a + by = a and 4a + 2by -2a = 0; a, b ≠ 0
Answer» Question 3 (iii) Are the following pair of linear equations consistent? Justify your answer 2a + by = a and 4a + 2by -2a = 0; a, b $\neq$ 0

Discussion

31.	(a - b)(a + b) = ______ .
Answer» (a - b)(a + b) = ______ .

Discussion

32.	A box contains 20 tickets, some are black while the others are red. If a ticket is drawn at random from the box, the probability of getting a red ticket is 0.25. Find the number of black tickets in the box.15
Answer» A box contains 20 tickets, some are black while the others are red. If a ticket is drawn at random from the box, the probability of getting a red ticket is 0.25. Find the number of black tickets in the box. 15

Discussion

33.	Question 13A polygon has prime number of sides. Its number of sides is equal to the sum of the two least consecutive primes. The number of diagonals of the polygon is a) 4b) 5c) 7d) 10
Answer» Question 13 A polygon has prime number of sides. Its number of sides is equal to the sum of the two least consecutive primes. The number of diagonals of the polygon is a) 4 b) 5 c) 7 d) 10

Discussion

34.	Explain the following terms:(i) Triangle(ii) Parts or elements of a triangle(iii) Interior of a triangle(iv) Exterior of a triangle
Answer» Explain the following terms: (i) Triangle (ii) Parts or elements of a triangle (iii) Interior of a triangle (iv) Exterior of a triangle

34.

Explain the following terms:(i) Triangle(ii) Parts or elements of a triangle(iii) Interior of a triangle(iv) Exterior of a triangle

Answer» Explain the following terms:

(i) Triangle

(ii) Parts or elements of a triangle

(iii) Interior of a triangle

(iv) Exterior of a triangle

Discussion

35.	Question 7Find and correct the errors in the statement: (2x)2+4(2x)+7=2x2+8x+7
Answer» Question 7 Find and correct the errors in the statement: $(2 x)^{2} + 4 (2 x) + 7 = 2 x^{2} + 8 x + 7$

Discussion

36.	10.The variation of pressure P with volume V for an ideal monatomic gas duri adiabatic process is shown in figure.At point A the magnitude of rate of change of pressure with volume is
Answer» 10.The variation of pressure P with volume V for an ideal monatomic gas duri adiabatic process is shown in figure.At point A the magnitude of rate of change of pressure with volume is

Discussion

37.	What is the square root of 3, approximated to 2 decimal places?
Answer» What is the square root of 3, approximated to 2 decimal places?

Discussion

38.	∫7^{7^{7^x}}×7^{7^x}×7^{
Answer» ∫7^{7^{7^x}}×7^{7^x}×7^{

Discussion

39.	The value of (90)3−(80)3−3×90×80×10=___
Answer» The value of $(90)^{3} - (80)^{3} - 3 \times 90 \times 80 \times 10 =$ ___

Discussion

40.	Question 17Write the correct answer from the given four options.A perfect square can never have the following digit in its one's place.a) 1b) 8c) 0d) 6
Answer» Question 17 Write the correct answer from the given four options. A perfect square can never have the following digit in its one's place. a) 1 b) 8 c) 0 d) 6

40.

Question 17Write the correct answer from the given four options.A perfect square can never have the following digit in its one's place.a) 1b) 8c) 0d) 6

Answer»

Question 17

Write the correct answer from the given four options.

A perfect square can never have the following digit in its one's place.

a) 1

b) 8

c) 0

d) 6

Discussion

41.	One card is drawn from a well shuffled deck of 52 cards. Find the probability of getting:(i) A king of red suit (ii) A face card (iii) A red face card(iv) A queen of black suit (v) A jack of hearts (vi) A spade
Answer» One card is drawn from a well shuffled deck of 52 cards. Find the probability of getting: (i) A king of red suit (ii) A face card (iii) A red face card (iv) A queen of black suit (v) A jack of hearts (vi) A spade

41.

One card is drawn from a well shuffled deck of 52 cards. Find the probability of getting:(i) A king of red suit (ii) A face card (iii) A red face card(iv) A queen of black suit (v) A jack of hearts (vi) A spade

Answer»

One card is drawn from a well shuffled deck of 52 cards. Find the probability of getting:

(i) A king of red suit (ii) A face card (iii) A red face card

(iv) A queen of black suit (v) A jack of hearts (vi) A spade

Discussion

42.	The product of the square root of x with the cube root of x is(a) cube root of the square root of x(b) sixth root of the fifth power of x(c) fifth root of the sixth power of x(d) sixth root of x
Answer» The product of the square root of x with the cube root of x is (a) cube root of the square root of x (b) sixth root of the fifth power of x (c) fifth root of the sixth power of x (d) sixth root of x

Discussion

43.	Question 12 If S is a point on side PQ of a Δ PQR such that PS = QS = RS, then (A) PR.QR=RS2 (B) QS2+RS2=QR2 (C) PR2+QR2=PQ2 (D) PS2+RS2=PR2
Answer» Question 12 If S is a point on side PQ of a $Δ$ PQR such that PS = QS = RS, then (A) $P R . Q R = R S^{2}$ (B) $Q S^{2} + R S^{2} = Q R^{2}$ (C) $P R^{2} + Q R^{2} = P Q^{2}$ (D) $P S^{2} + R S^{2} = P R^{2}$

Discussion

44.	Which of the following are like terms?
Answer» Which of the following are like terms?

Discussion

45.	Question 11 Volume of a rectangular box (cuboid) with length = 2ab, breadth = 3ac and height = 2ac is a) 12a3bc2 b) 12a3bc c) 12a2bc d) 2ab+3ac+2ac
Answer» Question 11 Volume of a rectangular box (cuboid) with length = 2ab, breadth = 3ac and height = 2ac is a) $12 a^{3} b c^{2}$ b) $12 a^{3} b c$ c) $12 a^{2} b c$ d) $2 a b + 3 a c + 2 a c$

Discussion

46.	How long will it take to drive 450 km if you are driving at a speed of 50 km per hour?
Answer» How long will it take to drive 450 km if you are driving at a speed of 50 km per hour?

Discussion

47.	18. how to solve 12/root2+root3+root5
Answer» 18. how to solve 12/root2+root3+root5

Discussion

48.	16) If \| z1 + z2 \|^2 = \| z1 \|^2 + \| z2 \|^2 then prove that z1/z2 is purely imaginary
Answer» 16) If \| z1 + z2 \|^2 = \| z1 \|^2 + \| z2 \|^2 then prove that z1/z2 is purely imaginary

Discussion

49.	How to Factorise 9(3a-4b)^2-6(3a-4b). Please give the answer in steps.
Answer» How to Factorise 9(3a-4b)^2-6(3a-4b). Please give the answer in steps.

Discussion

50.

Given here are some figures.(1)(2)(3)(4)(5)(6)(7)(8)Classify each of them on the basis of the following.(a) Simple curve(b) Simple closed curve(c) Polygon(d) Convex polygon(e) Concave polygon

Answer»

Given here are some figures.


(1)	(2)	(3)

(4)	(5)	(6)

(7)	(8)

Classify each of them on the basis of the following.

(a) Simple curve

(b) Simple closed curve

(c) Polygon

(d) Convex polygon

(e) Concave polygon

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

In an army camp, there was food for 1000 soldiers for one month. After 10 days 1000 more soldiers joined. How long would the remaining food be sufficient for the soldiers?

Show that the sum of (m + n)th and (m - n)th terms of an A.P. is equal to twice the mth terms.

The altitude of a triangle is five-thirds the length of its corresponding base. If the altitude is increased by 4 cm and the base decreased by 2 cm, the area of the triangle would remain the same. Find the base and altitude of the triangle.

Factorise the following.(A) 4x2−20x+25(B) a3−4a2+12−3a

A number decreased by 28% becomes 540. Find the number.

Show that 24n+4-15n-16, where n ∈ ℕ is divisible by 225.

25 × 2x^-4 ÷ 5^-2 × 10x^-6 = 125x^2

A and B are joined sets.If n(A−B)=25+x, n(B−A)=2x, n(A∩B)=2x and n(A) = 2[n(B)], then x = ____.

In the given figure, OQ : PQ = 3.4 and perimeter of Δ POQ = 60 cm. Determine PQ, QR and OP.

What is the fraction of the unshaded part?

Question 5 Observe the following pattern and supply the missing numbers. 112=1211012=10201101012=10203020110101012=..........................2=10203040504030201

y = x is represented by the point:

During a sale, a shop offered a discount of 10% on the marked prices of all the items. What would a customer have to pay for a pair of jeans marked at Rs 1450 and two shirts marked at Rs 850 each?

If y increases with an increase in x and y decreases with a decrease in x, then they are said to follow _______.

Find the perimeter of a rectangle if its diagonal is 5 cm and the smaller side is 3 cm as shown in the figure below.

How much part of the circle we need to shade to show 25% data in the pie chart?

The volume of a cylinder of height 8 cm is 1232 cm3. Find its curved surface area and the total surface area.

If the selling price of 16 water bottles is equal to cost price of 17 water bottles . Find the gain per cent earned by the dealer.

Find the volume of the cylinder, if the circumference of the cylinder is 88 cm and the height is 20 cm? Take π=227

A triangle is formed with all its vertices lying on a circle. One of the sides of the triangle is equal to the radius of the circle. Find the angle of the triangle opposite to the side having a length equal to the circle's radius. degrees

Simplify the following. (i) (−1) × 2 × (−3) (ii) 1 × (−2) × 3 (iii) (−2) × (−3) × (−4) (iv) (−1) × (−1) (v) (−1)3 (vi) (−1)5 (vii) (−1)99

Question 8ABC and DBC are two triangles on the same base BC such that A and D lie on the opposite sides of BC, AB = AC and DB = DC. Show that AD is the perpendicular bisector of BC.

7. In an essay competition, the odds in favour of the competition p, q, r, s are 1:2, 1:3, 1:4, 1:5 respectively. Find the probability that one of them wins the competition.

Question 122 A mother and her two daughters got a room constructed for Rs. 62000. The elder daughter contributes 38 of her mother's contribution while the younger daughter contributes 12 of her mother's share. How much do the three contribute individually?

Evaluate: √1681

Preeti bought 812 kg of sugar for Rs 24214. Find the price of sugar per kg.

Question 86 A packet of sweet was distributed among 10 children and each of them received 4 sweets. If it is distributed among 8 children, how many sweets will each child get?

Question 3 (iii)Are the following pair of linear equations consistent? Justify your answer2a + by = a and 4a + 2by -2a = 0; a, b ≠ 0

(a - b)(a + b) = ______ .

A box contains 20 tickets, some are black while the others are red. If a ticket is drawn at random from the box, the probability of getting a red ticket is 0.25. Find the number of black tickets in the box.15

Question 13A polygon has prime number of sides. Its number of sides is equal to the sum of the two least consecutive primes. The number of diagonals of the polygon is a) 4b) 5c) 7d) 10

Explain the following terms:(i) Triangle(ii) Parts or elements of a triangle(iii) Interior of a triangle(iv) Exterior of a triangle

Question 7Find and correct the errors in the statement: (2x)2+4(2x)+7=2x2+8x+7

10.The variation of pressure P with volume V for an ideal monatomic gas duri adiabatic process is shown in figure.At point A the magnitude of rate of change of pressure with volume is

What is the square root of 3, approximated to 2 decimal places?

∫7^{7^{7^x}}×7^{7^x}×7^{

The value of (90)3−(80)3−3×90×80×10=___

Question 17Write the correct answer from the given four options.A perfect square can never have the following digit in its one's place.a) 1b) 8c) 0d) 6

One card is drawn from a well shuffled deck of 52 cards. Find the probability of getting:(i) A king of red suit (ii) A face card (iii) A red face card(iv) A queen of black suit (v) A jack of hearts (vi) A spade

The product of the square root of x with the cube root of x is(a) cube root of the square root of x(b) sixth root of the fifth power of x(c) fifth root of the sixth power of x(d) sixth root of x

Question 12 If S is a point on side PQ of a Δ PQR such that PS = QS = RS, then (A) PR.QR=RS2 (B) QS2+RS2=QR2 (C) PR2+QR2=PQ2 (D)​​​​​​​ PS2+RS2=PR2​​​​​​​

Which of the following are like terms?

Question 11 Volume of a rectangular box (cuboid) with length = 2ab, breadth = 3ac and height = 2ac is a) 12a3bc2 b) 12a3bc c) 12a2bc d) 2ab+3ac+2ac

How long will it take to drive 450 km if you are driving at a speed of 50 km per hour?

18. how to solve 12/root2+root3+root5

16) If | z1 + z2 |^2 = | z1 |^2 + | z2 |^2 then prove that z1/z2 is purely imaginary

How to Factorise 9(3a-4b)^2-6(3a-4b). Please give the answer in steps.

Given here are some figures.(1)(2)(3)(4)(5)(6)(7)(8)Classify each of them on the basis of the following.(a) Simple curve(b) Simple closed curve(c) Polygon(d) Convex polygon(e) Concave polygon

Question 12 If S is a point on side PQ of a Δ PQR such that PS = QS = RS, then (A) PR.QR=RS2 (B) QS2+RS2=QR2 (C) PR2+QR2=PQ2 (D) PS2+RS2=PR2