If the rate of interest rises from 61/2 to 8% a man's annual

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If the rate of interest rises from 6¹/2 to 8% a man's annual income increases by Rs. 4050. Find the capital.

1. Rs . 270000
2. Rs . 370000
3. Rs . 300000
4. None of these

Correct Option: A

Due to the rise in the rate of interest, annual income increases by Rs . (8 - 6¹/ ₂) = Rs , 1¹/ 2, when the capital is Rs . 100
Thus, the required capital = (100 x 2 x 4050) / 3 = Rs. 270000