Question

A grandfather is ten times older than his granddaughter He is also 54 years older than her Find their present age

Answer 1

Answer:

grandfather =60

granddaughter =6

Step-by-step explanation:

if we express their ages in terms of ratio then

grandfather's age : granddaughter's age = 10 : 1 (as he is 10 times older to her granddaughter)

let x be the girl's age, the grandfather's age = 10x

now, the age difference is, 10x - x = 9x

according to question, 9x = 54    ∴ x = 6

∴ the girl's age = 6 yrs and the grandfather's age = 6 x 10 =60 yrs

Answer 2

Answer:

grandfather age =60yrs and grand daughter age is 6yr

Step-by-step explanation:

let grandfather age be x

granddaughter be y

now

x=10y

x=y+54

from both eq.

10y=y+54

y=6

so

grandfather age =60yrs and grand daughter age is 6yrs