Q. 123.7( 6 Votes )

# Aman started a factory with an initial investment of Rs. 100000. In the first year, he incurred a loss of 5%. However, during the second year, he earned a profit of 10% which in the third year rose to 12%. Calculate his net profit for the entire period of three years.

Answer :

Given,

Initial investment by Aman = Rs.100000

In first year = loss of 5%

In second year = profit of 10%

In third year = profit of 12 %

So,

His net profit for entire period of three years =

=

Profit = 117040 – 100000= Rs.17040

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PREVIOUS6400 workers were employed to construct a river bridge in four years. At the end of the first year, 25% workers were retrenched. At the end of the second year, 25% of those working at that time were retrenched. However, to complete the project in time, the number of workers was increased by 25% at the end of the third year. How many workers were working during the fourth year?NEXTThe population of a town increases at the rate of 40 per thousand annually. If the present population be 175760, what was the population three years ago.

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