Question:
The average age of the 20 aspirants of a class is 19.2 years. After some time two more aspirants join them and then average is increased by 0.3 years. Find the difference between the age of new aspirants .
12 | |
15 | |
18 | |
12 | |
None of these |
Answer:
None of these
Last Updated:
10/11/2021 - 17:00