IBM
Company
Numerical Ability
Time and Work
A does a work in 10 days and B does the same work in 15 days. In how many days they together will do the same work?
A. 5 days B. 6 days
C. 8 days D. 9 days
Read Solution (Total 4)
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- Ans is B0 6 days
- 11 years agoHelpfull: Yes(1) No(0)
- 10*15/10+5=6 days
- 9 years agoHelpfull: Yes(0) No(0)
- A's work=1/10
B's work=1/15
A and B TOGETHER will do the same work= (1/10 + 1/15)=1/6
so, together they will do the same work in 6 DAYS - 7 years agoHelpfull: Yes(0) No(0)
- 1/10+1/15=3+2/30=5/30=1/6
=6 days - 5 years agoHelpfull: Yes(0) No(0)
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