Aptitude - Stocks and Shares - Discussion

Discussion Forum : Stocks and Shares - General Questions (Q.No. 8)
8.
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:
Rs. 4800
Rs. 5000
Rs. 5400
Rs. 5600
Answer: Option
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.

Discussion:
12 comments Page 2 of 2.

Subham giri said:   5 years ago
My question is a man has Rs: 23000 he invested partly in 3% stock at 80 and rest 4% stock at 110. For total income is 850 find her investment in each case.

Can anyone solve this?

PRIPJ said:   11 months ago
Here, They have considered the face value of both to be 100. Right?


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