Three machines P,Q and R were hired by a company for a month. Machine P runs 18 hours for 15 days, machine Q runs 20 hours for 18 days and machine R run...
‘A’ alone can do some work in 22 days. ‘B’ and ‘C’ together can do the same work in 12 days. If ‘B’ is half as efficient as ‘A’, the...
A man, a woman and a boy can do a work in 3, 2, 6 days respectively. How many children were required with 1 man and 1 woman to complete the same work in...
A, B, and C together can do a piece of work in 28 days, whereas C alone can do the same work in 42 days. How long will A and B take together to finish it?
Vijay can do a piece of work in 16 days and Sanjay can do the same work in 24 days. If Vijay works for 6 days and got Rs. 2700, and the remaining work w...
The day efficiency of Rajeev is equal to the one-day efficiency of Divya and Vivek together. Divya is 25% more efficient than Vivek and starts with 20% ...
If one child has half the work efficiency of an adult, determine the duration required for 8 children to construct a wall, which is 60% as large as the ...
Sudhanshu completes`1/3` of work in 12 days, then he completes the remaining work with the help of Neeraj in 4 days. The time required for Neera...
A can complete 5/6 of a work in 15 days and B can complete 2/3 of work in 8 days. In how many days both A and B together can complete the work?
A can do a job alone in 66 days, B can do it alone in 55 days, while A, B, and C working together can complete the job in 11 days. In how many days can ...
