The sum of three numbers is 210. If the ratio between the first and second be 2 : 3 and that of between the second and third be 4 : 5, then find the second number.
Answer & explanation
Correct answer: option 3
I : II : III : Total
2 : 3
4 : 5
-------------------------------------------------
8 : 12 : 15 : 35
35R = 210
1R = 6
12R = 12 × 6 = 72