Three workers can do a job in 12 days. Two of the workers work twice as fast as the third. How long would it take one of the faster workers to do the job himself ?

A 24
B 30
C 32
D None of these

Correct Answer: 30

1 faster person = 2 slower person so , 2 faster + one slower = 5 slower person 5 slower person can do the work in 12 days 1 ,, ,, ,, ,, 12X5 days = 60 days As, 2 slower = 1 faster then, 1 faster person can do the work in 60/2 = 30 days
Bissoy MCQ
#গণিত #Bangladesh Bank #সময় ও কাজ (Time and work) #Bangladesh Bank - Assistant Director - 2001

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