A garrison has provisions for 90 soldiers for 160 days. After 100 days 45 more soldiers will join the group. For how many more days will the provisions last?
none of the above
Actually after 100 days,
If 90 members are there, provisions come for 60 more days (since total 160 days)
But now 135 members are there.
So number of days = (90/135) X 60 = 20 days.
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