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A work in 12 days b in 15 days. Find the no of days if they work on alternate days.
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- 13(1/4)days
- 10 years agoHelpfull: Yes(4) No(0)
- 11(1/4)days...
It came from (1/12)+(1/15)
LCM of 12 and 15 is 60
from that combination of 4&5 is 9 its count as 2
then totally it got as 10days and one 5 day is 11days
and remaining is 1/4
totally 11(1/4)days - 11 years agoHelpfull: Yes(0) No(4)
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