EASY
CAT
IMPORTANT
Earn 100

One man can paint a house in 'r' days and another man can do it in 't' hours. If they can together do it in 'd' days, then 'd' is given by:

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Important Questions on Time, Work and Wages

MEDIUM
CAT
IMPORTANT
Anil is thrice as efficient as Barun and hence completes a work in 40 days less than the number of days taken by Barun. What will be the number of days taken by both of them when working together?
MEDIUM
CAT
IMPORTANT
Dinesh and Dipu can design an application software in 16 hours and 12 hours, respectively. Dinesh joins Dipu 4 hours before completing the design, Dipu had started the design work alone. Find how many hours Dipu has worked alone?
MEDIUM
CAT
IMPORTANT
If it takes A four days to dig a certain ditch, whereas B can dig it in 8 days and A, B C together can dig it in 227 days, how long C alone would take to dig it?
MEDIUM
CAT
IMPORTANT
24 men can complete a piece of work in 15 days. Two days after the 24 men started working, 4 men left. How many more days will the remaining men finish the remaining work.
MEDIUM
CAT
IMPORTANT
A certain work is completed by A and B together in 10 days. If A had worked at twice the speed and B had worked at half his speed it would have taken them 8 days to finish the work. Find the time in which B alone can finish it?
MEDIUM
CAT
IMPORTANT
P can do a job in 3 days, Q can do 3 times that job in 8 days and R can do 5 times that job in 12 days. If all of them work together, they will finish one job in:
HARD
CAT
IMPORTANT
Miti and Aditi can do a piece of work in 45 days and 40 days, respectively. They began to work together but Miti leaves after 'x' days and Aditi finished the rest of the work in (x + 14) days. After how many days did Miti leave?
MEDIUM
CAT
IMPORTANT
A can do a piece of work in 212 days which 'B' can do in 312 days. If A's wages are  50 per week and B's wages are  42.50 per week, what 'A' would have charged for doing work for which B received  340 ?