P works twice as fast as Q . If Q can complete a work in 12 days independently , the number of days in which P and Q can together finish the work is:

A 4 days
B 6 days
C 3 days
D 5 days

Correct Answer: 4 days

Q এর সময় লাগে = 12 দিন P এর সময় লাগে = 12/2 = 6 দিন কাজটি দুজনে একত্রে করলে মোট সময় লাগে = 12 × 6 / 12 + 6 = 72 /18 = 4 দিন।
Bissoy MCQ
#গণিত #Sonali Bank Ltd #Sonali bank Ltd : officer - 30.03.2018

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