Quantitative Aptitude by
JITENDRA TYAGI SIR
TIME & WORK SESSION
Q.2 One third of a wall can be constructed in 4
days. In how many days 6 such walls can be
constructed?
(A) 144 (B) 72 (C) 64 (D) 24
Q.4 A is thrice as efficient as B. A can complete
a work in 5 days. In how many days B can
complete the same work?
(A) 15
(B) 3
(C) 5 (D) 30
P and Q can complete a project in 15 days and 10 days respectively.
They started doing the work together, but after 2 days Q had to leave
and P alone completed the remaining work. In how many days was
the
whole
work
completed?
(A)
11
(B)
12
(C)
13
(D)
10
SSC
CGL
Q.10 If A can finish a work in 12 days and B is 3
times efficient than A, then the time taken by both
A and B working together to complete the work is
(A) 2 days (B) 3 days (C) 6 days (D) 4 days
Q.11 If A and B working together can finish a work in 8 days
and B is 4 times efficient than A, then the time taken by A,
working alone to complete the work is
(A) 24 days (B) 20 days (C) 40 days (D) 32 days
A is as efficient as B and C together. Working together A
and B can complete a work in 36 days and C alone can
complete it in 60 days. A and C work together for 10
days. B alone will complete the remaining work in
(A) 110 days (B) 88 days (C) 84 days (D) 90 days
SSCCGL
Q.12 If A working alone takes 4 days more than A and B
together. B working alone takes 9 days more than A and B
together, then the number of days taken by A and B ,
working together to finish a job is given by
(A)
3 days
(B)
8 days
(C) 6 days (D) 4 days
Q.13 If 10 persons can complete two-fifths of a work
in 8 days, then find the number of persons required
to complete the remaining work in 12 days
(A) 10 (B) 8 (C) 6 (D) 9
Q.14 If 5 men and 3 women can finish a work in 8
days then in how many days 6 men and 2 women
can do the same work?
(A) 8
(B) 9
(C) 10 (D) 12
Q.17 A,B and C can do a piece of work in 20 days, 30 days
and 60 days, respectively. In how many days can A do work,
if he is assisted by B and C on every third day?
(A)12
(B) 15
(C) 16
(D)18 (E) 14
A,B and C can complete a piece of work separately in 10, 20
and 40 days, respectively. In how many days will the work be
completed if A is assisted by both B and C every third day?
(A) 58/7 (B) 9
(C) 32/3
(D) 6 SSC CGL
Q.18 3 men, 4 women and 6 children working
together can finish a piece of work in 7 days. If each
woman works twice as much as a man does, and each
child does half as much as a man does, how many
women, working together, can finish the work in 7
days?
ATC
JULY
SHIFT-2
2022
(A) 9
(B) 10
(C) 8
(D) 7
Q.19
A and B can do a piece of work in 45 and 40 days,
respectively. They began the work together but A left after
some days and B finished the remaining work in 23 days.
After
how
many
days
did
A
leave?
(A) 12 days
(B) 11 days (C) 9 days (D) 10 days
ATC
JE
2022
JULY
SHIFT-3
Q.20 ATC 2021 Shift-1
A and B can do a piece of work in 80 days; B and C can do it
in 120 days; A and C can do it in 112 days. In how many days
can B alone do it?
(A) 168 (B) 182 (C) 158 (D) 172
Q
A can do one-third of a work in 15 days. B can do 75% of the
same work in 18 days and C can do the same work in 36 days.
B and C work together for 8 days. In how many days will A
alone
complete
the
remaining
work?
(A) 24 days (B) 18 days (C) 20 days (D) 16 days