If a and b are positive integers and (A-b)/5=4/7, then

A b<a

B b>a

C b=a

D b≥a

Correct Answer: Option A

(a-b)/3.5=4/7 =>(a-b)=4/7(3.5) =>(a-b)=14/7 =>(a-b)=2 Then a is greater than b since we got a-b=2