Time and Work – Multiple Choice Questions (MCQs)

1. 49. Ramesh can finish a piece of work in 20 days while Suresh can finish it in 30 days. If they work together, in how many days will the work be finished?

   • A. 10 days
   • B. 12 days
   • C. 15 days
   • D. 25 days

2. 50. If 6 men or 8 women can earn ? 1680 per day, how much will 9 men and 10 women earn per day?

   • A. ? 2760
   • B. ? 2520
   • C. ? 2640
   • D. ? 2880

3. 51. A and B can complete a task in 10 and 15 days respectively. They start working together but after some days, A leaves and B finishes the remaining work in 5 days. After how many days did A leave?

   • A. 2 days
   • B. 3 days
   • C. 4 days
   • D. 5 days

4. 52. Two pipes can fill a tank in 10 hours and 12 hours respectively while a third pipe can empty it in 20 hours. If all three pipes are opened simultaneously, how long will it take to fill the tank?

   • A. 7.5 hours
   • B. 8 hours
   • C. 9 hours
   • D. 10 hours