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There are two containers A and B in which a mixture of petrol and kerosene is filled in the ratios 1 : 6 and 5 : 2 respectively. A mixture of both liquids is mixed to obtain a mixture of 1560 liters, containing 480 liters of petrol. Find the ratio of the amount of mixture in vessel A to amount of mixture in vessel B.
1. 45 : 111
2. 111 : 45
3. 111 : 47
4. 47 : 111

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Correct Answer - Option 2 : 111 : 45

CALCULATION:

Let the mixture in A and B be A liters and B liters respectively

A.T.Q

A + B = 1560      ----(1)

A/7 + 5B/7 = 480

A + 5B = 3360      ----(2)

From (2) - (1) we get,

4B = 1800 

B = 450 liters

A = 1560 - 450 = 1110 liters

required ratio = 111 : 45

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