A does do work in 10 days b do same work in 15 days how many day they togather
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Let the total work = LCM of 10 and 15 = 30 works.
A does 30/10 = 3 works inn a day
B does 30/15 = 2 works in a day
They together will do 3 + 2 = 5 works in a day
So they will take 30/5 = 6 days to complete the work
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Answer:
LCM of 10,15=30
A's capacity= 30/10=3
B's capacity= 30/15=2
total works=30
a+b together= 30/5=6
6 days
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