1.

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:

 A. 2% B. 2.02% C. 4% D. 4.04%

2.

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

 A. 40% B. 42% C. 44% D. 46%

3.

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:

 A. 15360 B. 153,600 C. 30720 D. 307,200

4.

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?

 A. 16 cm B. 18 सेमी C. 24 सेमी D. अपर्याप्त डेटा

5.

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?

 A. 2.91 m B. 3 मीटर C. 5.82 मीटर D. इनमे से कोई नहीं