Aptitude:: Area

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The difference between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area is:

A. 1520 B. 2420
C. 2480 D. 2520

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?

A. 814 B. 820
C. 840 D. 844

The diagonal of a rectangle is 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

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

10 

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%

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