1. 4/5 part of a tank is filled with oil. After taking out 42 litres of oil the tank is 3/4 part full. What is the capacity (in litres) of the tank?
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- By: anil on 05 May 2019 02.27 amLet capacity of tank = $$x$$ litres According to ques, => $$frac{4x}{5}-42=frac{3x}{4}$$ => $$frac{4x}{5}-frac{3x}{4}=42$$ => $$frac{16x-15x}{20}=42$$ => $$x=42 imes20=840$$ $$ herefore$$ Capacity (in litres) of the tank = 840 litres => Ans - (C)
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