Question

Shahrukh and Salman are brothers. In the year 1973, Shahrukh's age was one-third of Salman's age. In the year 1980, Shahrukh's age was half of Salman's age. What is Shahrukh's year of birth?​

Answer 1

Answer:

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Answer 2

Given: In 1973, Shahrukh was one third of Salman's age. In year 1980, Shahrukh's age was half of Salman's age

To find: Shahrukh's year of birth

Explanation: Let Salman's age be x in 1973.

Then, Shahrukh's age in 1973= x/3

Now, in 1980( 7 years later), Salman's age=x+7

Shahrukh's age= x/3 + 7

=(x+21)/3

It is given, Shahrukh's age= Salman' age/2

=> (x+21)/3 = (x+7)/2

=>2x+42= 3x+21 (cross multiplication)

=>x=21

Therefore, Salman's age in 1973 is 21 years.

So, Shahrukh's age in 1973=21/3= 7 years

Shahrukh's year of birth= 1973-7= 1966

Shahrukh's year of birth is 1966.