Permutation & Combination Problems with Solutions in pdf Bankers Way

simple and compound interest problems with solutions PDF bankers way

Data Interpretation Questions with solutions

top question on time and work

1) Sakshi can do a piece of work in 20 days. Tanya is 25% more efficient than Sakshi.
The number of days taken by Tanya to do the same piece of work is:
a) 15 b) 16 c) 18
d) 25 e) None of these
2) A takes twice as much time as B or thrice as much time as C to finish a piece of
work. Working together, they can finish the work in 2 days. B can do the work
alone in:
a) 4 days b) 6 days c) 8 days
d) 12 days e) None of these
3) A and B can complete a work in 15 days and 10 days respectively. They started
doing the work together but after 2 days B had to lea0ve and A alone completed the
remaining work. The whole work was completed in:
a) 8 days b) 10 days c) 12 days
d) 15 days e) None of these
4) A and B can do a piece of work in 30 days, while B and C can do the same work in
24 days and C and A in 20 days. They all work together for 10 days when B and C
leave. How many days more will A take to finish the work?
a) 18 days b) 24 days c) 30 days
d) 36 days e) None of these
5) A works twice as fast as B. If B can complete a work in 12 days independently, the
number of days in which A and B can together finish the work in:
a) 4 days b) 6 days c) 8 days
d) 18 days e) None of these