Infosys Company Numerical Ability Time and Work

One fast typist type some matter in 2hr and another slow typist type the same matter in 3hr. If both do combinely in how much time they will finish.

Read Solution (Total 2)

work done by fast typist=(1/2)per hour
work done by slow typist=(1/3)per hour
combined work=(1/2+1/3)=5/6 per hour
so they can finish it together in 6/5th of an hour(i.e)(6/5*60)=1hr 12 min
10 years agoHelpfull: Yes(4) No(1)

in 5/6 hr.
12 years agoHelpfull: Yes(2) No(3)

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