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

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

39.5 %

31.5 %

34.5 %

65.5 %

39.5 %

31.5 %

34.5 %

65.5 %

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Area Problems
The length of the diagonal of a rhombus is 80% of the length of the other diagonal, Then the area of the rhombus is how many times the square of the length of the longer diagonal?

2/5

3/4

1/4

4/5

2/5

3/4

1/4

4/5

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Area Problems
A circular road runs rounds a circular ground. If the difference between the circumference of the outer circle and the inner circle is 66 meters, the width of the road is?

7 meters

5.25 meters

10.5 meters

21 meters

7 meters

5.25 meters

10.5 meters

21 meters

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Area Problems
What is the least number of squares tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad?

840

844

820

814

840

844

820

814

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Area Problems
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:

2.02%

4%

2%

4.04%

2.02%

4%

2%

4.04%

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Area Problems
A room 5m 55cm long and 3m 74cm broad is to be paved with square tiles.Find the least number of square tiles required to cover the floor?

166

156

186

176

166

156

186

176

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Area Problems

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

Area Problems The length of the diagonal of a rhombus is 80% of the length of the other diagonal, Then the area of the rhombus is how many times the square of the length of the longer diagonal?

Area Problems A circular road runs rounds a circular ground. If the difference between the circumference of the outer circle and the inner circle is 66 meters, the width of the road is?

Area Problems What is the least number of squares tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad?

Area Problems 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:

Area Problems A room 5m 55cm long and 3m 74cm broad is to be paved with square tiles.Find the least number of square tiles required to cover the floor?

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

Area Problems
The length of the diagonal of a rhombus is 80% of the length of the other diagonal, Then the area of the rhombus is how many times the square of the length of the longer diagonal?

Area Problems
A circular road runs rounds a circular ground. If the difference between the circumference of the outer circle and the inner circle is 66 meters, the width of the road is?

Area Problems
What is the least number of squares tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad?

Area Problems
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:

Area Problems
A room 5m 55cm long and 3m 74cm broad is to be paved with square tiles.Find the least number of square tiles required to cover the floor?