A semi-circular shaped window has diameter of 63 cm. Its perimeter equals (a) 126 cm      (b) 162 cm          (c) 198 cm     (d) 251 cm

A semicircular shaped window has diameter of 63 cm. Its perimeter equals (pi = (22)/(7))

If the perimeter of a semi-circular protractor is 36 cm, then its diameter is (a) 10 cm (b) 12 cm (c) 14 cm (d) 16 cm

If the perimeter of a semi-circular protractor is 36 cm, then its diameter is (a) 10 cm (b) 12 cm (c) 14 cm (d) 16 cm

The area of a square with perimeter 48 cm is (a) 144 sq. cm (b) 156 sq. cm (c) 170 sq. cm (d) 175 sq. cm

The area of a rectangle is 252 cm2 and its length and breadth are in the ratio of 9:7 respectively. What is its perimeter? (a) 64 cm (b) 68 cm (c) 96 cm (d) 128 cm

If a wire is bent into the shape of a square, then the area of the square is 81 sq. cm. When the wire is bent into a semi-circular shape, then the area of the semi-circle will be (a) 22 cm2 (b) 44 cm2 (c) 77 cm2 (d) 154 cm2

If a wire is bent into the shape of a square, then the area of the square is 81 sq. cm. When the wire is bent into a semi-circular shape, then the area of the semi-circle will be (a) 22 cm2 (b) 44 cm2 (c) 77 cm2 (d) 154 cm2

The perimeter of an equilateral triangle whose area is 4sqrt3 cm^(2) is equal to (a) 10 cm (b) 12 cm (c) 15 cm (d) 20 cm

A solid metallic spherical ball of diameter 6 cm is melted and recast into a cone with diameter of the base as 12 cm. The height of the cone is (a) 2 cm (b) 3 cm (c) 4 cm (d) 6 cm

A solid metallic spherical ball of diameter 6 cm is melted and recast into a cone with diameter of the base as 12 cm. The height of the cone is (a) 2 cm (b) 3 cm (c) 4 cm (d) 6 cm