Question

At present a Grandfather is ten times older than his grand-daughter. He is also 72 years older than her. Find the present age of grandfather

a) 72
b)80
c)82
d)85​

Answer 1

Answer:

let the age of granddaughter be x years

grandfather is 10 times older so his age is 10x years

difference between their age is 72 years

so the equation is

10x - x = 72

9x = 72

x= 8

the present age of daughter is 8 yrs

age of grandfather is 80 yrs

Answer 2

80 years
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