Home
Class 14
MATHS
A can do a piece of work in 10 days, B c...

A can do a piece of work in 10 days, B can do it in 12 days and C can do it in 15 days. In how many days will A, B and C finish it, working all together?

A

6 days / दिन

B

`5 (1)/(4)` days / दिन

C

`4 (4)/(11)`days / दिन

D

4 days / दिन

Text Solution

Verified by Experts

The correct Answer is:
D
`(A+B+C) ` का दिन का कार्य `=(1)/(10) +(1)/(12) +(1)/(15)`
` = ( 6+5+4)/(60) = (1)/(4)`
अतः तीनो मिलकर पूरा कार्य 4 दिनों में समाप्त करेंगे।
Promotional Banner

Similar Questions

Explore conceptually related problems

A and B can do a piece of work in 9 days; B and C can do it in 12 days; A and C can do it in 18 days.In how many days will A,B and C finish it working together and separately?

A can do a piece of work in 10 days, B can do it in 12 days and C can do it in 15 days. In how many days they can complete the work, working together?

A and B can do a piece of work in 10 days.B and C can do it in 12 days. A and C can do it in 15 days. How long will A take to do it alone?

A and B can do a piece of work in 12 days, B and C in 15 days and C and A in 20 days. In how many days can they do it, all working together?

A and B can do a piece of work in 12 days, B and C in 15 days and C and A in 20 days. In how many days can they do it, all working together?

A can do a job in 10 days, B can do the same job in 12 days and C can do the same job in 15 days. In how many days they will finish the work together?

A can do a piece of work in 8 days, B can do it in 16 days, while C can do it in 80 days. In how many days they can complete the whole work, working together?

A and B can do a piece of work in 72 days B and C can do it in 120 days. A and C can do it in 90 days. In how many days, all the three together can do the work?