Ram takes 6 days less than Bhagat to finish a piece
of work. If both of them together can finish the
work in 4 days, in how many days Bhagat alone
can finish the work?
Answers
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ram =6
bhagat =12
Lcm =12 =total work
perday work ram=2unit per day
bhagat=1 unit per day
total work per day =2+1=3
3×4= 12
bhagat alone complete in 12 days
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Answer:
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Step-by-step explanation:
B alone finish work in x days
A alone work in x/x -6
A one day works= 1/(x-6) and B one day works = 1/x
A+B one day work = 1/4
so, 1/(x-6) + 1/x =1/4
x+x-6/x(x-6) = 1/4,
2x-6/x(x-6) =1/4
4(2x-6) = x(x-6),
8x-24 = xsq - 6x,
x sq -14x +24 = 0
ans : x = 12 or 2
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