Question

The average age of A, B and C was 25 years and that of B and C was 25 years. A’s present age is:
40 years
42 years
30 years
25 years


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Answer 1

Step-by-step explanation:

A+B+C

---------- =25 years

3

B+C

------ =25 years

2

A +25

--. =50

1

A+25=50

A=50-25

A=25

=A's present age is 25 years