If two positive numbers are in the ratio 1/8 : 1/7, then by what percent is the second number more than the first? Choose the correct choice:
A) 70% B) 14.28% C) 60% D) 50% E) 65%
Given ratio = 1/8 : 1/3 = 3 : 8   Let first number be 7x and the second number be 8x.   The second number is more than first number by 1x.   Required percentage = 1x/7x * 100 = 14.28%.   Answer:14.28%
<result>B</result>
If two positive numbers are in the ratio 1/8 : 1/7, then by what percent is the second number more than the first?