Subject
Quantitative Aptitude
Topic
Pipes & Cistern
Jamal needs 8 hours to do a job. Kamal takes 10 hours to do the same job. How long should it take Kamal & Jamal working together to do the job ?
Jamal needs 8 hours to do a job. Kamal takes 10 hours to do the same job. How long should it take Kamal & Jamal working together to do the job ?
ক)
5 hoursখ)
\(4\frac{1}{2}\)hoursগ)
\(2\frac{1}{2}\)hoursঘ)
\(4\frac{4}{9}\)hoursExplanation
Solution: h = hoursRelated questions
A can do a work in 10 days, B can do the same work in 15 days. If they work together, how long will it take them to finish the work ?Two pipes A and B can fill a take in 20 and 30 minutes respectively. If both the pipes are used together, than how long will it take to fill the tank ?A Pump can fill a tank with water in 2 hours. Because of a leak, it took hours to fill the tank. The leak can drain all the water of the tank in:Three Pipes can independently fill a water tank in 10, 12 and 15 hours. How many hours will it take for all three Pipes opened together to fill half of the tank ?Two Pipes A and B can fill a tank in 6 hours and 4 hours respectively; If they are opened on alternative hours and if pipe A is opened first, in how many hours, the tank shall be full ?