A, B, C hired a car for Rs. 520 and used it for 7,8 and 11 hours respectively. Hire charges paid by B were :
Choose the most appropriate option:	A) 160	B) 180	C) 220	D) 225	E) none

Rationale: sol . a : b : c = 7 : 8 : 11 . hire charges paid by b = rs . [ 520 * 8 / 26 ] = rs . 160 answer a
Answer: A