Amount of paint required for a manhole

Question

A man hole on a drainage pipe is covered with an iron plate which is of the shape of a square of side 12.5cm, from this iron plate a circular disc of diameter 7 cm is painted in black colour. The remaining part is painted with blue colour paint. Find the blue paint required, if 1 sq cm requires 0.8g of paint.

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Quantitative Ability Shweta Gupta 2 years 1 Answer 266 views 0

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