Question

let boys ( =7 x ) and ( sin (1)=8 x )

# (a) 2:3 : 4 (b) 6:7:8 (C) 6:8:9 (a) none of these The ratio of the number of boys and girls in a college is 7: 8. If the percentage increase in the number of boys and girls be 20% and 10% respectively, what will be the new ratio ? (R.B.I. 2003) (a) 8:9 (b) 17 : 18 (c) 21 : 22 (d) Cannot be determined .

Solution