Question

let two integare ( 9, b ) ( 9 b=1575 )
( frac{9}{b}=frac{9}{7} )
( a=frac{9 b}{7} mid quad b^{2}=1225 )
( b^{2}=(35)^{2} )
( [b=35 )

# 1. The product of two positive integer is 1575 and their ratio is 9 : 7. The least integer is : (2) 25 (6) 35 (c) 45 (d) 70

Solution