Rs. 700 is divided among A, B, C so that A receives half as much as B and B half as much as C. Then C's share is-

A Rs 200

B Rs 300

C Rs 400

D Rs 500

Correct Answer: Option C

Let C = x.
Then B = x/2
and A = x/4

A:B:C = 1:2:4.
C's share Rs.[(4/7)*700) = 400