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RRB Group-D Model Paper 17 with answers for online practice
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© examsnet.com
Question : 72
Total: 100
P and Q can do a project in 6 and 12 days respectively. In how many days can they complete 25% of the project if they work together?
2 days
4 days
1 days
8 days
Validate
Solution:
One - day work of P = 1/6
One - day work of Q = 1/12
⇒ One - day work of both P and Q together = 1/6 + 1/12 = 3/12 = ¼
Total time taken by them = 4 days
⇒ Time taken to complete 25% work = (25/100) × (4) = 1 day
© examsnet.com
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