Question

the ratio between the present age of son, mother, father grandfather is 2:3:8:12 respectively. the average age of the son and mother is 27 years. how much will the mother be after 7 years?​

Answer 1

Answer:

age of son =2x

age of mother=3x

age of father=8x

age of grand father=12x

average age of mother and son=27

3x+2x/2=27

5x/2=27

5x=54

x=10.8

present mother age=3x=3*10.8=32.4

1. after 7 years mother age =32.4+7=39.4