By how much is three-fifth of 600 greater than four- seventh of 210 ? Choose the correct choice from the following answers:
A) 320	B) 240	C) 420	D) None of these	E) Cannot be determined
Solution   3/5 of 600 - 4/7 of 210 = 240.   Answer 240
<result>B</result>
By how much is three-fifth of 600 greater than four- seventh of 210 ?