Mr. M, a businessman had the income in the year 2000, such that he earned a profit of 20% on his investment in
the business. In the year 2001 , his investment was less by Rs.5000 bu still had the same income (Income = Investment + profit ) as that in 2000. Thus , the percent profit earned in 2001 increased by 6%. What was his investment in 2000 ?
Let his investment in the year 2000 be Rs. `x`
Then, income in 2000 = Rs. [ `x` + 20% of `x` ] = Rs. `120/100 x`
Income in 2001 = Rs`[126/100 (x - 5000)]`
`:.` `120/100 x = 126/100 (x - 5000) hArr 120x = 126(x - 5000) hArr 6x = 630000 hArr x= 105000`.
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