20. If the sides of a parallelogram are increased to twice its original lengths, how much will the perimeter of the new parallelogram?
- (A) 1.5 times
- (B) 2 times
- (C) 3 times
- (D) 4 times
19. The side of a square is 10 cm. How many times will the new perimeter become if the side of the square is doubled?
- (A) 2 times
- (B) 4 times
- (C) 6 times
- (D) 8 times
18. Perimeter of an isosceles triangle is 50 cm. If one of the two equal sides is 18 cm, the third side is
- (A) 14 cm
- (B) 24 cm
- (C) 16 cm
- (D) 18 cm
17. If each side of a rhombus is doubled, how much will its area increase?
- (A) 1.5 times
- (B) 2 times
- (C) 3 times
- (D) 4 times
16. If 1 m2 = x mm2, then the value of x is
- (A) 1000
- (B) 10000
- (C) 100000
- (D) 1000000
15. If 1 sq cm = x cm × 1 cm, the value of x is
- (A) 1
- (B) 10
- (C) 100
- (D) 20
14. If 1 sq m = 1 m × y cm, the value of y is
- (A) 104
- (B) 100
- (C) 116
- (D) 200
13. If 1 sq m = z sq cm, the value of z is
- (A) 1
- (B) 10
- (C) 100
- (D) 1000
12. 12 m2 is the area of
- (A) a square with side 12 m
- (B) 12 squares with side 1 m each
- (C) 3 squares with side 4 m each
- (D) 4 squares with side 3 m each
11. How many squares of side 1 m, makes a square of side 5 km?
- (A) 250000
- (B) 2500000
- (C) 250000000
- (D) 25000000