123. A man sells Rs.5000, 12 % stock at 156 and uinvests the proceeds parity in 8 % stock at 90 and 9 % stock at 108. He hereby increases his income by Rs. 70. How much of the proceeds were invested in each stock?

By Admin / September 23, 2025

A. 3600(8%), 4200(9%)

B. 4000(8%), 4200(9%)

C. 3600(8%), 4000(9%)

D. 4000(8%), 4000(9%)

✅ The correct answer is option A. 3600(8%), 4200(9%).
S.P of Rs. 5000 stock = Rs. [(156/100)*5000] = Rs. 7800.

Income from this stock = Rs. [(12/100)*5000] = Rs. 600.

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