b) Rs. 16800
c) Rs. 18600
d) Rs. 10800
Answer: b
Explanation:
| A | B | C | |
| Amounts invested | 14000 | ||
| Time (in months) | 12 | 7 | 5 |
| 168000 |
$$\eqalign{ & {\text{Ratio of profits }}4:3:2 \cr & {\text{Let their profits }}4x:3x:2x \cr & 4x = 168000 \cr & x = 42000 \cr & \Rightarrow {\text{Profit share of C}} = 2x \cr & = 2 \times 42000 \cr & = {\text{Rs}}{\text{. 84000}} \cr & \Rightarrow {\text{Capital invested by C}} = \frac{{84000}}{5} \cr & = {\text{Rs. }}16800 \cr} $$
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