A rectangular courtyard 3.78min long and 5.25m broad is to be paved exactly with square tiles all of the same size. The minimum number of such tiles is_________?

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The perimeter of a rectangle is 60m. If it’s length is twice its breadth then its area is__________?

A. 160m2 B. 180m2 C. 200m2 D. 220m2...

The difference between the radi of the smaller circle and the bigger circle is 7cm and the difference between the area of two circles is 1078Sq.cm Radius of the smaller circle is_________?

A. 17.5cm B. 21cm C. 28cm D. None of these...

The surface area of a (10cm x 4cm x3cm) brick is__________?

A. 84 Sq.cm B. 124 Sq.cm C. 164 Sq.cm D. 180 Sq.cm...

The side of a square is increased by 25% then how much % does its area increases?

A. 52.65 B. 56.25 C. 50.75 D. 42.75...

In a rhombus whose area is 144 sq.cm on of its diagonals is twice as long as the other. The lengths of its diagonals are:_________?

A. 24 cm,48cm B. 12cm,24cm C. 6√2cm,12√2cm D. 6cm,12cm...