1. 10 Computer Operators can compose 120 pages in 2 hours. How many operators should work, if the job is to be done in 30 minutes ? 2. In a hostal of 50 girls ; there is food provision for 40 days. If 30 more girls join the hostal, the provision will last for: Share with your friends Share 4 Anuradha Sharma answered this 1.Using the formula, M1×D1W1=M2×D2W210×2120=M2×12120M2=40 computer operators.2.We have the provision of food for 50 persons for 40 days.When 30 more persons join, then total persons = 80Let x be the number of days for which the provision for food lasts.Now, 50 × 40 = 80 × x⇒x = 50 × 4080 = 25 2 View Full Answer Aayush Vispute answered this 1) 40 computer operators 2) 25 days 2