Question

titu is 7 years older than his younger brother.after 5 years,the sum of their ages will be 39. find their present age.

Answer 1

Let titu's age = x

his younger brother age = x-7

After 5 years,
titu's age = x+5

his younger brother age = x-7+5 = x-2

Sum = 39

=> x+5 + x-2 = 39

=> 2x + 3 = 39

=> 2x =39-3 = 36

=> x = 36/2

=> x = 18 years

Titu's age = 18 years

His brothers age = 18-7 = 11 years

Answer 2

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Let titu's age = x

his younger brother age = x-7

After 5 years,

titu's age = x+5

his younger brother age = x-7+5 = x-2

Sum = 39

=> x+5 + x-2 = 39

=> 2x + 3 = 39

=> 2x =39-3 = 36

=> x = 36/2

=> x = 18 years

Titu's age = 18 years

His brothers age = 18-7 = 11 years.

HOPE SO IT WILL HELP.....