Delhi Police Constable 2008 Paper

Question : 95 of 100

Marks: +1, -0

A man begins his business with an investment of Rs. 5000/-. He loses 10% in the first year, but earns with 10 to 20% profit in the second and third year respectively. At the end of the third year, how much real profit he gained?

450/-
550/-
940/-
1000/-

Validate

Solution:

Amount after three years

=5000(1-\;{10}/{100})(1+\;{10}/{100})(1+\;{20}/{100})

=5000 × \;{9}/{10} × \;{11}/{10} × \;{6}/{5}

= Rs. 5940
i.e., total profit

= 5940-5000 =\Rs. 940

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