Find the ratio between total students visited only town B & only town C together to students visited only town A?
Answer : Option B
Explanation : Total students visited only town A = 400× =80
Total students visited only town B = 80×=68
Total students visited only town C = 400×=72
Total students visited town A & B but not C = 68 -8 = 60
Total students visited town B & C but not A = =30
Total students visited A & C but not B = = 70
Total students visited all the three towns
= 400 – (80 + 68 +72+60+30+70) = 20
Required ratio =
Rate This:
NaN / 5 - 1 votes
