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Area Calculation – Aptitude Questions and Answers for RRB | SSC | APPSC | TSPSC Exams


The percentage increase in the area of a rectangle, if each of its sides is increased by 20% is:
Answer :-  44%




A man walked diagonally across a square lot. Approximately, what was the percent saved by not walking along the edges?
Answer :-  30

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:
Answer :-  156300


A rectangular field is to be fenced on three sides leaving a side of 20 feet uncovered. If the area of the field is 680 sq. feet, how many feet of fencing will be required?
Answer :-  88


The diagonal of a rectangle is 41 cm and its area is 20 sq. cm. The perimeter of the rectangle must be:
Answer :-  18cm



The difference between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area is:
Answer :-  2520m2


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?
Answer :-  3m

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:
Answer :-  28%


The length of a rectangle is halved, while its breadth is tripled. What is the percentage change in area?
Answer :-  50% increase


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?
Answer :-  814


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?
Answer :-  18cm


The diagonal of the floor of a rectangular closet is 7(1/2) feet. The shorter side of the closet is 4 (1/2) feet. What is the area of the closet in square feet?
Answer :-  27

A man walked diagonally across a square lot. Approximately, what was the percent saved by not walking along the edges?
Answer :-  30


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:
Answer :-  4.04%


The diagonal of a rectangle is √41 cm and its area is 20 sq. cm. The perimeter of the rectangle must be:
Answer :-  18 cm

A tank is 25 m long, 12 m wide and 6 m deep. The cost of plastering its walls and bottom at 75 paise per sq. m, is:
Answer :-  Rs. 558


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?
Answer :-  814


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