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6/7 part of a tank is filled with oil. After taking out 60 litres of oil the tank is 4/5 part full. What is the capacity (in litres) of the tank?

A350

B700

C360

D1050

Answer:

D. 1050

Read Explanation:

capacity of the tank = x 6x/7 – 60 = 4x/5 6x/7 – 4x/5 = 60 (30x – 28x)/35 = 60 2x = 60 × 35 x = 2100/2 x = 1050


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