If the radius of a circle is decreased by 50% , find the percentage decrease in its area.

Area Problems
If the radius of a circle is decreased by 50% , find the percentage decrease in its area.

65%

25%

35%

75%

65%

25%

35%

75%

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Area Problems
The Number of rounds that a wheel of diameter 7/11 m will make in going 4 km, is?

1500

1700

1000

2000

1500

1700

1000

2000

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Area Problems
The area of rectangle is 1.8 times the area of a square. The length of the rectangle is 5 times the breadth. The side of the square is 20 cm. What is the perimeter of the rectangle?

145 cm

133 cm

135 cm

144 cm

145 cm

133 cm

135 cm

144 cm

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Area Problems
Angles of a quadrilateral are in the ratio 3 : 4 : 5 : 8. The smallest angle is

40°

18°

54°

36°

40°

18°

54°

36°

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Area Problems
A hall 20 m long and 15 m broad is surrounded by a verandah of uniform width of 2.5 m. the cost of flooring the verandah at the rate of 3.50 per sq. meter is?

Rs. 700

Rs. 800

Rs. 500

Rs. 600

Rs. 700

Rs. 800

Rs. 500

Rs. 600

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Area Problems
If the radius of a circle be reduced by 50%. Its area is reduced by?

31.5%

65.5%

34.5%

39.5%

31.5%

65.5%

34.5%

39.5%

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Area Problems

Area Problems If the radius of a circle is decreased by 50% , find the percentage decrease in its area.

Area Problems The Number of rounds that a wheel of diameter 7/11 m will make in going 4 km, is?

Area Problems The area of rectangle is 1.8 times the area of a square. The length of the rectangle is 5 times the breadth. The side of the square is 20 cm. What is the perimeter of the rectangle?

Area Problems Angles of a quadrilateral are in the ratio 3 : 4 : 5 : 8. The smallest angle is

Area Problems A hall 20 m long and 15 m broad is surrounded by a verandah of uniform width of 2.5 m. the cost of flooring the verandah at the rate of 3.50 per sq. meter is?

Area Problems If the radius of a circle be reduced by 50%. Its area is reduced by?

Area Problems
If the radius of a circle is decreased by 50% , find the percentage decrease in its area.

Area Problems
The Number of rounds that a wheel of diameter 7/11 m will make in going 4 km, is?

Area Problems
The area of rectangle is 1.8 times the area of a square. The length of the rectangle is 5 times the breadth. The side of the square is 20 cm. What is the perimeter of the rectangle?

Area Problems
Angles of a quadrilateral are in the ratio 3 : 4 : 5 : 8. The smallest angle is

Area Problems
A hall 20 m long and 15 m broad is surrounded by a verandah of uniform width of 2.5 m. the cost of flooring the verandah at the rate of 3.50 per sq. meter is?

Area Problems
If the radius of a circle be reduced by 50%. Its area is reduced by?