Subject :IMO Class : Class 8
If 2 men each working 5 hours per day can finish a job in 12 days, then how long will 4 men each working 2 hours per day take to finish the same job?
A14 days
B15 days
C10 days
D18 days
Please give the solutions for this question
Ans 1: (Master Answer)
Class : Class 1
(B): Let required number of days be y .
2 × 5 × 12 = y × 4 × 2
⇒ 120 = 8y
So, y = 15 days
Ans 2: (Master Answer)
Class : Class 1
(B): Let required number of days be y .
2 × 5 × 12 = y × 4 × 2
⇒ 120 = 8y
So, y = 15 days