In a race of 200 m, A can beat B by 21 m and C by 15 m. In a race of 425 m, C will beat B by ?
Choose the correct choice from the following answers
A) 30 m	B) 75 m	C) 85 m	D) 25 m	E) 15 m
Explanation:   A:B = 100 : 79   A:C = 100 : 85   =&gt; B:C = 79:85   When C covers 85 m , B Covers 79 m   When C covers 425 m , B Covers   =&gt; 395 m   So C beats B by (425 - 395)= 
<gadget id="calculator">(425 - 395)</gadget>
<output>30</output>
30 m.   30 mnswer: 30 m
<result>A</result>
In a race of 200 m, A can beat B by 21 m and C by 15 m. In a race of 425 m, C will beat B by ?