A man invests some money in a business and get 10% returns in a year. Next year he invests total output in other business & gets 20% returns in the next year. In third year when he invests output after two year then he gets 30% loss in that year overall he receives.
OPtion
1) 5.4% Profit
2) 5.4% Loss
3) 7.6% Profit
4) 7.6% Loss
5) 3.9% Profit
6) 3.9% Loss
7) 4.6% Profit
8) 4.6% Loss
9) 6.1% Profit
10)6.1% Loss
Solution
Let he invests x rupees
Then x(1+0.1)(1+0.2)(1-0.3) = 0.924 x
So he receives 0.924 x means 92.4% of x
Loss is 7.6%