A tank is 25m long 12m wide and 6m deep. The cost of plastering its walls and bottom at 75 paise per sq m is

The ratio of the radii of two circle is 1:3 the radio of their areas is?

The area of sector of a circle of radius 5 cm, formed by an arc of length 3.5 cm is?

The base of right-angled triangle is 5 meters and hypotenuse is 13 meters . Its area will be?

A parallelogram has sides 30m and 14m and one of its diagonals is 40m long. Then its area is

The Number of rounds that a wheel of diameter 7/11 m will make in going 4 km, is?

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