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Areas MCQ 1

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Question 1 of 20

1. A lawn is in the form of a rectangle having its sides in the ratio 2:3 The area of the lawn is 1/6 hectares. Find the length and breadth of the lawn.

Question 1 of 20

Question 2 of 20

2. An error 2% in excess is made while measuring the side of a square. The percentage of error in the calculated area of the square is:

Question 2 of 20

Question 3 of 20

3.  The ratio between the length and the breadth of a rectangular park is 3: 2. If a man cycling along the boundary of the park at the speed of 12 km/hr completes one round in 8 minutes, then the area of the park (in sq. m) is:

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Question 4 of 20

4. The base of a right triangle is 8 and hypotenuse is 10. Its area is?

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Question 5 of 20

5. The ratio between the perimeter and the breadth of a rectangle is 5 : 1. If the area of the rectangle is 216 sq. cm, what is the length of the rectangle?

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Question 6 of 20

6. Find the cost of carpeting a room 13 m long and 9 m broad with a carpet 75 cm wide at the rate of Rs. 12.40 per metre?

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Question 7 of 20

7. The percentage increase in the area of a rectangle, if each of its sides is increased by 20% is:

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Question 8 of 20

8.  What will be the cost of gardening 1-meter boundary around a rectangular plot having a perimeter of 340 meters at the rate of Rs. 10 per square meter?

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Question 9 of 20

9. What is the area of a square field whose diagonal of length 20 m?

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Question 10 of 20

10.
A rectangular park 60 m long and 40 m wide has two concrete crossroads running in the middle of the park and rest of the park has been used as a lawn. If the area of the lawn is 2109 sq. m, then what is the width of the road?

Question 10 of 20

Question 11 of 20

11. The length of a rectangle is twice its breadth. If its length is decreased by 5 cm and breadth is increased by 5 cm, the area of the rectangle is increased by 75 sq cm. find the length of the rectangle.

Question 11 of 20

Question 12 of 20

12. The diagonal of the floor of a rectangular closet is 7 feet. The shorter side of the closet is 4 feet. What is the area of the closet in square feet?

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Question 13 of 20

13. In measuring the sides of a rectangle, one side is taken 5% in excess, and the other 4% in deficit. Find the error percent in the area calculated from these measurements.

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Question 14 of 20

14. 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:

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Question 15 of 20

15.  The sides of a rectangle are in the ratio of 6: 5 and its area is 1331 sq.m. Find the perimeter of a rectangle.

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Question 16 of 20

16. The difference between the radii of bigger circle and smaller circle is 14 cm and the difference between their areas is 1056 cm2. Radius of the smaller circle is

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Question 17 of 20

17. A man walked diagonally across a square lot. Approximately, what was the percent saved by not walking along the edges?

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Question 18 of 20

18. The sides of a rectangle are in the ratio 4:3 and its area is 972sq.m find the perimeter of the rectangle?

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Question 19 of 20

19. If the perimeter of a rectangular garden is 600 m, its length when its breadth is 100 m is?

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Question 20 of 20

20. A man walked diagonally across a square lot. Approximately, what was the percent saved by not walking along the edges?

Question 20 of 20