Q1. Ravi can do a piece of work in 30 days while Prakash can do it in 40 days In how many days will they finish it together

Q2. Ravi can do a piece of work in 16 days Rakesh can do the same work in 64 5 days while Geeta can do it in 32 days All of them started to work together but Ravi leaves after 4 days Rakesh leaves the job 3 days before the completion of the work How long would the work last

Q3. Daku and Tamatar can do a piece of work in 70 and 60 days respectively They began the work together but Daku leaves after some days and Tamatar finished the remaining work in 47 days After how many days did Daku leave

Q4. 20 men can complete a piece of work in 15days and 12 women can complete the same piece of work in 24 days What is the ratio of amount of work done by 30 men in oneday to the amount of work done by 16 women in 1 day

Q5. Ram and Ravi can separately do a piece of work in 20 and 15 days respectively They worked together for 6 days after which Ravi was replaced by Rohit If the work was finished in next 4 days then the number of days in which Rohit alone could do the work will be