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The area of a square is A, then its perimeter is

(A) A4

(B) 4 4 (C) 4A (D) 2 A

2. The perimeter of a rectangle is 60 cm. Its length is 20 cm. Then its breadth

in centimeters is

(A) 40 (B) 3 (C) 30 (D) 10

3. The area of a rectangle is A and its length is . Then its breadth b is

(A) A (B) A (C) A (D)A

4. The perimeter of a rectangular plot is 120 m. Its length is 40m. Then its

breadth is

(A) 80 (B) 60 (C) 50 (D) 20

5. The base of a triangle is 12 cm and the corresponding altitude is 6 cm. Its

area in square centimeters is

(A) 72 (B) 36 (C) 144 (D) 288

6. The base of a triangle of area 96 cm2

is 16 cm. The height of the triangle is

(A) 6 cm (B) 40 cm (C) 3 cm (D) 12 cm

7. In an isosceles right angled triangle each equal side is 10 cm. Then its area is

(A) 50 cm2

(B) 100 cm2

(C) 200 cm2

(D) 25 cm2

8. The area of an isosceles right angled triangle is 72 cm2. Then each of the

perpendicular sides is

(A) 6 cm (B) 12 2 cm (C) 12 cm (D) 122

cm

9. One of the perpendicular sides of a right triangle is 8 cm and its area is 48

sq. cm. Then the length of the other perpendicular side is

(A) 6 cm (B) 12 cm (C)24 cm (D) None of the

three

10. The angles of a triangle are in the ratio of 1 : 1 : 2. Then the ratio of their

corresponding sides is

(A) 1 : 1 : 2 (B) 1 : 1 : 2 (C) 1 : 3 : 2 (D) 1 : 3 :2

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11. The angles of a triangle are 900, 60

0, and 30

0. Then the ratio of their

corresponding sides is

(A) 1 : 3 : 2 (B) 2 : 1 : 3 (C) 2 : 3:1 (D) 1 : 2 : 3

12. The area of a parallelogram is 52 cm

2

. If its base is 13 cm, then thecorresponding height is (in cm)

(A) 40 (B) 16 (C) 8 (D) 4

13. The diagonals of a rhombus are 12 cm and 9 cm. Then its area in sq. com is

(A) 108 (B) 54 (C) 216 (D) 42

14. The area of a rhombus is 45 sq. com. If one of the diagonals is 7.5 cm, then

the other diagonal is

(A) 6 cm (B) 24 cm (C) 12 cm (D) 18 cm

15. If x is the length of a diagonal of a rhombus and A is its area, then the other

diagonal is

(A) 2Ax

(B) A2x

(C) 2Ax (D) Ax2

16. The parallel sides of a trapezium are a and b and the distance between them

is ab (a > b). Then its area is

(A) 2 (a2b2) (B) 2 2

1a b

2 (C) a

2b2 (D) 2 2

1a b

2

17 The side of an equilateral triangle is a cms. Then its height is

(A) 2a (B) a/2 (C) 3a (D)3

a2

18 If the side of a square is 8cm, then the diagonal of the square will be

(A) 2 8 (B) 8 2 (C) 64 (D) none

19 A parallelogram has sides of 20cm and 30cm. if the distance between shorter

sides is 15cm, then the distance between the longer sides is

(A) 12cm (B) 20cm (C) 15cm (D) 10cm

20 The perimeter of a rectangular field is 480 meters and the ratio between the

length and the breadth is 5 : 3. Find the area of the field.

(A) 13500 m2

(B) 12000 m2

(C) 12500 m2

(D) 13000 m2

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