Sonu invested 10% more than the investment of Mona and Mona invested 10% less than the investment of Raghu. If the total investment of all the three persons is Rs.5780, find the investment of Raghu.
Correct Answer: Description for Correct answer:
Let share of Raghu be 100. Then share of Mona = 90 and share of Sonu = 99
Sonu : Mona : Raghu = 99 : 90 : 100
Investment of Raghu = \( \large\frac{5780}{99 + 90 + 100} \times 100 \)
= \( \large\frac{5780}{289} \times 100 = Rs.2000 \)
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