NTPC CBT- 2 MOST PROBABLE - TIME AND WORK QUIZ-5

Question 1:

Atul, Mukesh and Manisha can complete a task in 12 days, 15 days and 18 days respectively. In how many days can Atul, Mukesh and Manisha together Complete the same task?

$4 \frac{6}{37}$ days

$4 \frac{32}{37}$ days

$5 \frac{32}{37}$ days

$3 \frac{32}{35}$ days

Question 2:

P is 4 times faster than Q in doing a job. Q takes 27 more days than P to finish the job. If they work together, in how many days will the work be finished?

$6 \frac{4}{5}$ days

$7$ $\frac{2}{5}$ days

$7 \frac{3}{5}$ days

$7 \frac{1}{5}$ days

Question 3:

12 men or 24 boys can do a work in 20 days. In how many days, will 24 men and 12 boys together complete the same work?

10

12

15

8

Question 4:

A and B can do a piece of work in 8 days, B and C can do the same work in 24 days while C and A can do the same work in $\frac{60}{7}$ days in how many days will C alone do it?

60 days

40 days

30 days

10 days

Question 5:

A and B can complete a piece work in 20 days while B and C can do the same work in 25 days and C and A can do the work in 15 days then find in how many days A can complete the whole work?

$26 \frac{2}{23}$

$26 \frac{4}{9}$

$26 \frac{1}{23}$

26

Question 6:

12 Type writer including male and female working together 3 hours in a day can type 70 pages of MATHS MIRROR in 14 days. Then in how many Hour a day 18men can type 210 pages in 3 days.

5 hours

$7 \frac{1}{2}$ hours

$6 \frac{1}{2}$ hours

28 days

Question 7:

Mohan Can do a piece of work in $10\\ \ \mathrm{days}$ and Atul can do same work in 12 days. They Started working together but Mohan left the work after 2 days, then find the time taken by Atul to complete the remaining work.

$5 \frac{3}{5} days$

$7 \frac{6}{5}$ days

$8 \frac{9}{5}$ days

$7 \frac{3}{5}$ days

Question 8:

Kamran and Imran can individually complete a job in 42 min and 77 min respectively. Starting with Kamran, they work alternately for a minute each till the work is completed, only the one working at the end allowed to work for less than a minute in his final turn. How Iong will it take to complete the job?

$54 \frac{5}{7}$

$45 \frac{3}{11}$

$54 \frac{3}{11}$

$54 \frac{5}{11}$

Question 9:

A, B and C can do a work separately in 18, 36 and 54 days, respectively. They started the work together, but B and C left after 5 days and 10 days, respectively. In how many days was the work finished?

$12 \frac{1}{6}$ days

$14 \frac{1}{3}$ days

$12 \frac{1}{2}$ days

$12 \frac{1}{4}$ days

Question 10:

‘A’ is 40% less efficient than ‘B’ who can do the same work in 50% less time than ‘C’. If A and B together can complete 60% of the work in 120 days, then in how many days 90% of the work can be completed by B and C together?

192 days

200 days

213 days

208 days