Syntel
Company
Numerical Ability
Time and Work
One man,3 women and 4 boys can do a piece of work in 96hrs, 2 men and 8 boys can do it in 80 hrs, 2 men & 3 women can do it in 120hr. 5Men and 12 boys can do it in ?
(A) 39 1/11 hrs (B) 42 7/11 hrs ( C) 43 7/11 days (D) 44hrs
Read Solution (Total 1)
-
- m+3w+4b=1/96...1
2m+8b=1/80...2
2m+3w=1/120....3
2*eq(2)
4m+16b=1/40...4
eq(3)+eq(4)
5m+12b+(m+3w+4b)=1/40+1/120
5m+12b=11/480
so ans 43 7/11 - 10 years agoHelpfull: Yes(3) No(1)
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