Question

P,Q and R can do a work together in 20 days. A and B can do the same work at double the speed,If all of them work together, in how many days will they finish 3/4 of the work ?​

Answer 1

Answer:

Let the group of P, Q and R be denoted as Group X and the group of A and B is denoted as group Y. Now , when both groups will combine and work together then the total time taken by all of them will be: Hence, If all of them work together, it will take days to finish the work.

Step-by-step explanation:

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