[Clerk (Morning) Dec, 2021]

1. Typist A can type a sheet in 6 minutes, Typist B can type same sheet in 12 minutes and Typist C can type the same sheet in 8 minutes. What is the average number of sheets typed per hour per typist ?

1. 5.0

2. 6.5

3. 7.5

4. 10.0

Correct Answer :

7.5