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The correct answer is A
A man, a woman, a boy, and a girl can complete a certain task individually in 84 days, 105 days, 140 days, and 210 days respectively. How long will it t...
M and N, working in tandem, can successfully attain the sales target within a span of 15 days. Now, if N's efficiency is _______ percent less than that ...
(y+40) boys can do a piece of work in (z-20) days. (y-5) boys can do the same piece of work in (z+20) days. If (y+30) boys can do the same piece of work...
Raman and Shyam can finish a task in 9 days working together. Shyam can finish that task alone in 12 days. How much time will Raman alone take to finish...
'x' men can complete a work in 60 days. If there had been 20 more men, the work would have been completed in 30 days. Find the value of 'x'.
The efficiency ratio of workers A and B is 15:17. If both A and B collaboratively finish a task in 30 days, how long would it take for A to complete the...
15 men can complete a piece of work in 5 days, while 20 women can complete it in 5 days. 8 men start working on the job & after working for 3 days, ...
A and B can complete a task together in 22 days, while B alone takes 44 days to finish it. A began working alone and left after ‘x’ days, after whic...
"Amit" and "Bhanu" have respective completion times of 20 and 30 days for a task. They began working together on the project, but after a few days, "Ami...