Question

Before 10 years, the sum of the ages
of four friends was 60 years. After
ten years, their average age will
be ....
(a) 45
(b) 35
(c) 40
(d) 60
​

Answer 1

Answer:

45

Step-by-step explanation:

is the correct answer this question

Answer 2

Answer:

none of these is the answer.

Step-by-step explanation:

The answer is 25 years as before 10 year there total was 60. That means 60 divided by 4. Therefore one friend's age = 15 and after 10 years the age of 1 friend will be 25 and total of all will be 100.