A circular wire of radius 35 cm is cut and bent in the form of a rectangle where sides are in the radio 2 : 3. The smaller side of rectangle is 

What is the minimum number of square marbles required to tile a floor of length 5 metres 78 cm and width 3 metres 74 cm?

The parellel sides of an isosceles trapezium are 21 cm & 9 cm length & a lateral side is 10 cm. Find its area