If two positive numbers are in the ratio 1/10 : 1/7, then by what percent is the second number more than the first?
Pick one.
A) 67%. B) 42.8%. C) 60%. D) 68%. E) 80%.
Given ratio = 1/10 : 1/7 = 7 : 10   Let first number be 7x and the second number be 10x.   The second number is more than first number by 3x.   Required percentage = 3x/7x * 100 = 42.8%.   Answer: 42.8%.
<result>B</result>
If two positive numbers are in the ratio 1/10 : 1/7, then by what percent is the second number more than the first?