1.

1). 182). 213). 194). 25

Answer»

Let, Initial number of MEN EMPLOYED = y

Working HOURS needed by y men to complete the work = 100 × 6 = 600

[? They can complete the work in 100 days working 6 hours a day]

Before strike they WORKED for = 60 × 6 =360 working hours

According to the question,

No. of men employed after strike = y + 3

No. of days worked after strike=100 - (10 + 60) = 30

[? 60 days worked before the strike and 10 days strike]

No. of hours worked per day after strike = 6 + 1 = 7

⇒ y × (600 - 360) = (y + 3) × 30 × 7

⇒ 240y = 210y + 630

⇒ 30y = 630

⇒ y = 21

∴ The initial number of men Ram employed = 21



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