Lessons

General Aptitude
16.1 Stocks and Shares - General Questions

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Q.

Rs. 9800 are invested partly in 9% stock at 75 and 10% stock at 80 to have equal amount of incomes. The investment in 9% stock is:

View Answer

Correct choice: B

Explanation:

Let the investment in 9% stock be Rs. x.

Then, investment in 10% stock = Rs. (9800 - x).

9 x x = 10 x (9800 - x)
75 80
3x = 9800 - x
25 8

⇒ 24x = 9800 x 25 - 25x

⇒ 49x = 9800 x 25

x = 5000.

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