Find the radius of a circle whose circumference is 176 cm.

2 + 7 = 34, 8 + 9 = 18, 6 + 3 = 78, 5 + 7 = ?

Find the sum of all two-digit numbers which are either multiple of 2 or 3.

A room is 13m long and 9m broad. Find the cost of carpeting the room with a carpet 75 cm broad at the rate of 65 per meter.

Find the area of a square whose perimeter is 48cm.