Core Mathematics

1A water tank is a cube of side 2 m. Its capacity in litres is

2Find the circumference of a circle of radius 21 cm. (Take π = 22/7.)

3The area of a rhombus with diagonals 10 cm and 24 cm is

4The area of a rectangle is 48 cm² and its length is 8 cm. Find its perimeter.

5A triangle has base 12 cm and area 48 cm². Its height is

6A parallelogram has a base of 9 m, a perpendicular height of 4 m and a slanting side of 5 m. What is its area?

7A rhombus with diagonals 10 cm and 24 cm has side length

8Find the area of a circle of diameter 14 cm. (Take π = 22/7.)

9A room is 5 m long and 4 m wide. How many 0.5 m × 0.5 m tiles are needed to cover the floor?

10A rectangular field 120 m by 80 m is fenced with 3 rows of wire. The total wire length is