Arithmetic Ability
Area

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Q.

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

View Answer

Correct choice: D

Explanation:

Area to be plastered = [2(l+b)×h]+(l×b) =[2(25+12)×6]+(25×12)=744sq.m Cost of plastering = 744×75100=Rs.558
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