Question

the average age of P, Q and R is 26 years. if the average age of P and R is 30 years. what is Q's age ?​

Answer 1

Answer:

let the age of Q be X

according to question,

(P+Q+R)÷3=26

{(P+R)+X}÷3=26

{30+X}÷3=26

{30+X}=26×3

{30+X}=78

X=78-30

X=48

Hence,age of Q is 48.