Question

in a sensus it was seen that the percentage of minors in three cities were 50% 30% and 40% .the total population of the city in the ratio 7:5:2 .find the percentage of minors in total population of all the three cities​

Answer 1

Answer:

so , ratio of minor : major = 29:70

Hence percentage of minor = (29/70)×100 = 290/7 = 41.43% (approx)