# 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

**View All Answers**

**Area of plane Surfaces:**

**Formula: Area Aptitude Formulas**

**Solved Examples: Solved Examples: Set 01**

**Practice Test: Practice Test: 01**

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