Time and Work - Data Sufficiency 3
1. A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that
is left is
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a)the sum of two integer is - 55 , if one of them is 80 find the other?
b) write the all integers between 0 and -6 in the increasing order .
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