Question

Reena is 6 years older than her brother Ajay. If the sum of their ages is 28 years., what are their present age

Answer 1

Answer:

let Reenas brother age be x years

let  reena                       be 6+x years

atq

6+x+x=28

2x=28-6

2x=22

x=22/2

x=11

Therefore Reena's brother is 11 yrs 

Reena is 11+6=17 yrs

Answer 2

Answer:

let Ajay's age=x years

Reena's age=x+6 years

according to question

x+x+6=28

2x=28-6

2x=22

x=22/2=11

Ajay age=11 years

Reena age= 11+6=17 years