Arithmetic Ability
Area

44 / 149

Q.

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:

View Answer

Correct choice: B

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)
44 / 149