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Partha earns 15 percent on an investment but loses 10 percent on another investment. If the ratio of two investments is 3 : 5, then the combined loss percent is
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5 % 4 -
4 % 5 -
8 % 5 -
- 5 % 8
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Correct Option: D
Let the first investment be 3k
Then second investment be 5k
Combined loss % 
| Combined loss % = | × 100 | 8k × 100 |
| Combined loss % = | percent or | %loss | 8 | 8 |
[–ve sign shows loss]
