TCS Company Numerical Ability Time and Work

P is able to do a piece of work in 15 days and Q can do the same work in 20 days. If
they can work together for 4 days, what is the fraction of work left?
A. 8/15
B.
7/15
C. 11/15
D.
2/11

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TCS Other Question

A runs 1
2

3
times as fast as B. If A gives B a start of 80 m, how far must the winning
post be so that A and B might reach it at the same time?
A. 200 m
B. 270 m
C. 300 m
D. 160 m
A can do a particular work in 6 days . B can do the same work in 8 days. A and B signed to
do it for Rs. 3200. They completed the work in 3 days with the help of C. How much is to be
paid to C?
A. Rs. 380
B. Rs.
600
C. Rs. 420
D. Rs.
400