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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 ₹ 5780, find the investment of Raghu.
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- ₹ 2010
- ₹ 2000
- ₹ 2100
- ₹ 2210
- None of the above
Correct Option: B
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 = [100/(99 + 90 + 100)] x 5780
= (100/289) x 5780 = ₹ 2000
