Q146 (IAS/1999) Miscellaneous & General Knowledge › Important Days, Places & Events › Important Days, Places & Events

In an office, the distribution of work hours is as shown in the following table.Consider the following inferences drawn from the table :
I. The average number of hours worked by a staff member is about 30.
II. The percentage of those who worked 35 or more hours is less than 25.
III. At least 5 staff members worked more than 44 hours.
Which of these inferences is/are valid ?

No. of Staff Members | No. of hours worked
5 | 0 - 19
1 | 20 - 24
25 | 25 - 29
40 | 30 - 34
15 | 35 - 39
8 | 40 - 45

A

I alone

B

II alone

C

I and II

D

I, II and III

Check answer