AREA PROBLEMS

Area Problems
If the ratio of the area of two square is 9 : 1 the ratio of their perimeters is?

3:1

9:1

3:4

1:3

3:1

9:1

3:4

1:3

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Area Problems
The length of a rectangular field is increased by 60 % . By what percent would the width have to be decreased to maintain the same area?

60%

120%

75%

371/2%

60%

120%

75%

371/2%

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Area Problems
The area of a rectangle is thrice that of square. Length of the rectangle is 40 cm and the breadth of the rectangle is ( 3 / 2 ) times that of the side of the square. The side of the square in cm is?

30

15

20

60

30

15

20

60

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

34.5%

65.5%

31.5%

39.5%

34.5%

65.5%

31.5%

39.5%

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Area Problems
The radius of a circle has been reduced from 9 cm to 7 cm . the appropriate percentage decrease in area is?

34.5 %

65.5 %

31.5 %

39.5 %

34.5 %

65.5 %

31.5 %

39.5 %

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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