Aptitude - Stocks and Shares - Discussion
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Read more:"Everyone is wise until he speaks."
- (Proverb)
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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:
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Rs. 4800 | [B]. |
Rs. 5000 | | [C]. |
Rs. 5400 | [D]. |
Rs. 5600 |
Answer: Option 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 |
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3x |
= |
9800 - x |
| 25 |
8 |
24x = 9800 x 25 - 25x
49x = 9800 x 25
x = 5000.
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Srikanth said:
(Thu, Jan 13, 2011 05:07:00 AM)
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| i don't understand could u plz explain in detail |
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