SSC CGL 2 Dec 2022 Shift 1 Paper

Question : 71 of 100

Marks: +1, -0

A hemispherical bowl made of iron has inner diameter 84 cm. Find the cost of tin plating it on the inside at the rate of Rs. 21 per 100 cm² (take $π = \;{22}/{7}$) correct to two places of decimal.