Arihant Expert Team Solutions for Chapter: Time and Work, Exercise 1: Exam Pattern Questions

$16$ men are able to complete a piece of work in $12$ days working $14 hr$ a day. How long will $28$ men, working $12 hr$ a day, take to complete the work?

$8$ men can paint a house in $5$ days. How many men will be required to paint the same house in $4$ days?

A and B together can do a work in $15$ days. B alone can do the same work in $60$ days. Then, the time taken by A alone to do the work (in days) is?

$45$ men can complete a work in $16$ days. $4$ days after they started working, $36$ more men joined them. How many days will they now take to complete the remaining work?

Some persons can do a piece of work in $12$ days. Two times the number of such persons will do half of the work in?

A can do $\frac{1}{6}$ of a work in $5$ days and B can do $\frac{2}{5}$ of the work in $8$ days. In how many days, can both A and B together do the work?

A, B and C individually can do a work in $10$ days, $12$ days and $15$ days, respectively. If they start working together, then the number of days required to finish the work is?

Working $8 hr$ a day, Anu can copy a book in $18$ days. How many hours a day should she work so as to finish the work in $12$ days?