1.

A gardener increased the area of his rectangular garden by increasing its length by 40% and decreasing its width by 20%. The area of the new garden

UPSC-2014

A.

has increased by 20%.

B.

has increased by 12%.

C.

has increased by 8%.

D.

is exactly the same as the old area.

2.

A cubical vessel of side 1 m is filled completely with water. How many millilitres of water is contained in it (neglect thickness of the (vessel)?

UPSC-2021

3.

The village having a population of 4000 requires 150 litres of the water per head per day. It has a tank measuring 20 m x 15 m x 6 m. The water of this tank will last for

UPSC-2011