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1. The market value of a 10.5% stock, in which an income of Rs. 756 is derived by investing Rs. 9000, brokerage being $\frac{1}{4}$ %, is:

A. Rs. 108.25

B. Rs. 112.20

C. Rs. 124.75

D. Rs. 125.25

Solution:

\begin{aligned} For an income of R s . 756, investment \\ = R s . 9000 \\ For an income of R s . \frac{21}{2}, investment \\ = R s . (\frac{9000}{756} \times \frac{21}{2}) = R s . 125 \\ ∴ For a R s . 100 stock, investment = R s . 125 \\ Market value of R s . 100 stock \\ = R s . (125 - \frac{1}{4}) = R s . 124.75 \end{aligned}

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