TCS Company Category

The savings of employee equals income minus expenditure. If the income of A,B,C are in the ratio 1:2:3 and their expense ratio 3:2:1 then what is the order of the employees in increasing order of their size of their savings?

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TCS Other Question

A survey of n people in the town of badaville found that 50% of them prefer brand A. another survey of a100 people in the town of chottaville found that 60% prefer brand A .In total 55% of all the people surveyed together prefer Brand A. What is the total number of people surveyed? f(x)= 2(x) +1, f(f(f(f….f(n))))12 times = 81919 then n=?