|
The average of 9 numbers is 18. If the average of first five numbers is 19 and the average of last 5 numbers is 17, find the 5th number. |
|||||||
|
(a) |
16 |
(b) |
20 |
(c) |
18 |
(d) |
22 |
|
The average of 9 numbers is 18. If the average of first five numbers is 19 and the average of last 5 numbers is 17, find the 5th number. |
|||||||
|
(a) |
16 |
(b) |
20 |
(c) |
18 |
(d) |
22 |