Sonu invested 10% more than Mona. Mona invested 10% less than Raghu. If the total sum of their investment is Rs. 5,780. How much amount did Raghu invest ?
Sonu invested 10% more than Mona. Mona invested 10% less than Raghu. If the total sum of their investment is Rs. 5,780. How much amount did Raghu invest ?
ARs. 2010
BRs. 2000
CRs. 2100
DRs. 2210
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Answer is : Rs. 2000
Explanation:
Let Mona’s investment = Rs.100
Sonu’s investment = Rs. 110 and Raghu’s
investment = 10090×100 = Rs. 10009
Ratio of Mona’s, Sonu’s and Raghu’s investments
= 100 : 110 : 10009
= 90 : 99 : 100
Sum of ratios = 90 + 99 + 100 = 289
Raghu’s investment
= Rs.(100289×5870)
= Rs. 2000
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