# Aptitude   Area  Questions And Answers

21. 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% 2.02% 4% 4.04%

Workspace

22. The breadth of a rectangular field is 60% of its length. If the perimeter of the field is 800 m, find out the area of the field.

 37500 m2 30500 m2 32500 m2 40000 m2

Workspace

23. 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?

 34 40 68 88

Workspace

24. If each side of a square is increased by 25%, find the percentage change in its area?

 65.25 56.25 65 56

Workspace

25. Find the area of a square of side 35 m.

 1220m2 1225m2 1250m2 1200m2

Workspace

26. Find the area of a rectangle of length 24 mm and breadth 8 mm.?

 180m2 185m2 190m2 192m2

Workspace

27. The diameter of a circle is 8 centimeters. What is the area?

 51.12cm 52.42cm 54.40cm 50.24cm

Workspace

28. Length of a side of a square field is 275 m. What will be cost of levelling the field at a rate of 10 cent per square metre?

 $7564.2$ 7568.50 $7542.62$ 7562.50

Workspace

29. Find the area of a rectangle whose length is 15 cm and breadth is 50 mm.

 75cm2 85cm2 70cm2 80cm2

Workspace

30. If D = 20 cm, calculate the area of circle?.

 314cm2 316cm2 318cm2 312cm2

Workspace