The total of 336 of 20 paise and 25 paise make a sum of Rs. 71. The no of 20 paise coins is
Choose the correct option.
A) 238	B) 277	C) 278	D) 260	E) 288

Rationale: "explanation : let the number of 20 paise coins be x . then the no of 25 paise coins = ( 336 - x ) . 0.20 * ( x ) + 0.25 ( 336 - x ) = 71 = > x = 260 . . answer : d ) 260"
Answer: D