Multiple Choice Questions on A tank is 25 m long 12 m wide and 6 m deep The cost of plastering its walls and bottom at 75 paise p........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

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

Quantitative Aptitude ( CCS) Mensuration 3D
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    A tank is 25 m long, 12 m wide and 6 m deep. The cost of plastering its walls and bottom at 75 paise per sq. m, is:

    Rs.458

    Incorrect Answer

    Rs.558

    Correct Answer

    Rs.658

    Incorrect Answer

    Rs.758

    Incorrect Answer
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    Explanation:

    Area to be plastered= [2(l + b) x h] + (l x b)
    = [2(25 + 12) x 6] + (25 x 12)
    = (444 + 300)
    = 744 sq.m
    Cost of plastering = Rs.744 x (75/100)=558

    By: MIRZA SADDAM HUSSAIN
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