Question
Select the most appropriate option for blank No.
85Solution
Here, ‘to’ is the correct preposition.
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Ratio of the work done by P, Q and R in one day is 7:4:9 respectively. They all together can complete the work in 44 days. Q and R worked on it for 30 d...
A can do a work in 45 days and the same the work is done in 15 days by A and B together, then in how many days B can complete the 20% of work?
