IBM Company Numerical Ability Time and Work

A can finish a work in 18 days and B can do the same in half the time taken by A. Then, working together , what part of the same work they can finish in a day?
A. 1/6 B. 1/9
C. 2/5 D. 2/7

Read Solution (Total 2)

Ans is A)1/6
12 years agoHelpfull: Yes(10) No(1)

In one day A can finish work in 1/18 days
similarly B`s work is 1/9 days (since B=half time taken by A)
working together = 1/18+1/9=1/6
So answer is 1/6
10 years agoHelpfull: Yes(5) No(0)

IBM Other Question

Ronald and Elan are working on an assignment. Ronald takes 6 hours to type 32 pages on a computer, while Elan takes 5 hours to type 40 pages. How much time will they take, working together on two different computers to type an assignment of 110 pages?
A. 7 hours 30 minutes B. 8 hours
C. 8 hours 15 minutes D. 8 hours 25 minutes P can complete a work in 12 days working 8 hours a day,Q can complete the same work in 8 days working 10 hours a day. If both P and Q work together, working 8 hours a day, in how many days can they complete the work?
A. 5x5/11 B. 5x6/11
C. 6x5/11 D. 6x6/11