LIC AAO Model Paper 7

Question : 39 of 160

Marks: +1, -0

Ratio of earnings of A and B is 8 : 9 respectively. If the earnings of A increase by 50% and the earnings of B decrease by 25%, the new ratio of their earnings becomes 16:9 respectively. What are A’s earnings?

Rs. 37,000
Rs. 28,500
Rs. 22,000
Cannot be determined
None of these

Validate

Solution:

Let the earnings of A and B be Rs. 8x nd Rs. 9x respectively.
Now, after changes in their earnings,
A’s earning
= 8x ×

{150}/{100}

= Rs. 12x
B’s earning
= 9x ×

{75}/{100}

= Rs.

{27x}/4

Clearly, we need sum of their earnings etc. to get the desired result.

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