1.

A is 5 years older than b, b is 10 years older thanc. if the total ages of a, b and c are 40. then how old is b?

Answer»

A= 5+B
b=10+c
so a=15+c

a+b+c=40
15+c+10+c+c=40
3c=15
c=5

so b= 15 YEARS



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