Q:

A) 1 | B) 2 |

C) 3 | D) 5 |

Answer: B) 2

Explanation:

Explanation:

Use unitary method:

In hours, 123 typists can type 984 paper

In 1 minute, 123 typists can type = 246 papers

In 1 minute, 1 typist can type =2 papers [ Hint hours = 4 minutes]

Q:

Answer

Actual average salary of 12 officers = 400

Total salary of 12 officers = 400 x 12 = 4800

Average of these 12 officers as a whole =60

Total salary of 12 officers as a whole = 60 x 12 = 720

The total salary of rest = 4800 - 720 = 4080

Difference in average of the rest of officers = 60 - 56 = 4

Rest of the officers =

Total number of employees = 1020 + 12 = 1032

42
1215

18
747