Question

The average age
A B and C was

25 years and that of B and C was 25 yers
A's present age​

Answer 1

Answer:

A's present age is

(25×3)–(25×2)

=75–50

=25(ans)

Step-by-step explanation:

hope this helps you dear

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Answer 2

Answer: Easy!

This question is impractical, but yet this is ur answer:

Average of A, B and C=25yrs.

Average=sum of the data/total no of data.

Average=(A+B+C)/3

25=(A+B+C)/3

25×3=A+B+C

A+B+C=75 yrs ........................ 1

Average of B and C=B+C/2

25= (B+C)/2

25×2=B+C

50=B+C ............................................2

substract 1 and 2

A=75-50

A=25 yrs.