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 most appropriate option.
A) 14.3%.  B) 70%.  C) 60%.  D) 68%.  E) 80%.
Given ratio = 1/8 : 1/7 = 7 : 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 = 14.3%.   14.3%.nswer: 14.3%.
<result>A</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?