Practice Test: Question Set - 01
1. The length and breadth of a rectangle is 136 cm and 102 cm respectively, its area is
- (A) 1.88 m²
- (B) 1.72 m²
- (C) 1.39 m²
- (D) 1.46 m²
2. The area of a square field is 841 m². Its length is
- (A) 31 m
- (B) 41 m
- (C) 29 m
- (D) 39 m
3. The percentage increase in the area of a rectangle, if each of its sides is increased by 20% is:
- (A) 40%
- (B) 42%
- (C) 44%
- (D) 46%
4. The area of a rectangular ground is 12,500 m². If its length is 125 m, then its perimeter is
- (A) 250 m²
- (B) 450 m²
- (C) 450 m
- (D) 500 m
5. A towel, when bleached, was found to have lost 20% of its length and 10% of its breadth. The percentage of decrease in area is:
- (A) 10%
- (B) 10.08%
- (C) 20%
- (D) 28%
6. The length and the breadth of a rectangle are 120 meters and 50 meters respectively. The length of the diagonal of the rectangle is
- (A) 130 m
- (B) 125 m
- (C) 120 m
- (D) 135 m
7. The area of a square ground is 8450 square meters. The length of its diagonal is
- (A) 91.9 m
- (B) 130 m
- (C) 260 m
- (D) 120 m
8. The diagonal of a rectangle is 41 cm and its area is 20 sq. cm. The perimeter of the rectangle must be:
- (A) 9 cm
- (B) 18 cm
- (C) 20 cm
- (D) 41 cm
9. The length and breadth of a hall are 60 m and 50 m respectively. Find the length of a 2 meter wide carpet to cover the whole floor of the room.
- (A) 3000 m
- (B) 1500 m
- (C) 110 m
- (D) 150 m
10. The length and breadth of a room is in the ratio of 2:1. If its perimeter is 60 m, then its length will be
- (A) 20 m
- (B) 18 m
- (C) 16 m
- (D) 10 m
11. A rectangular hall 108 meters long is paved with 7128 tiles each measuring 5 dm². The width of the plot is
- (A) 3.3 m
- (B) 330 m
- (C) 33 m
- (D) 0.33 m
12. The length of a rectangle is halved, while its breadth is tripled. What is the percentage change in area?
- (A) 25% increase
- (B) 50% increase
- (C) 50% decrease
- (D) 75% decrease
13. How many bricks of 20 cm × 10 cm will be required to pave the floor of a hall which is 24 m long and 16 m wide?
- (A) 18,200
- (B) 18,000
- (C) 9600
- (D) 19,200
14. If the length of a square is doubled, its area will increase
- (A) Two times
- (B) Three times
- (C) Four times
- (D) 16 times
15. A man walked diagonally across a square lot. Approximately, what was the percent saved by not walking along the edges?
- (A) 20
- (B) 24
- (C) 30
- (D) 33
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