The total of 344 of 20 paise and 25 paise make a sum of Rs. 71. The no of 20 paise coins is Choose the correct choice from the following
A) 238
B) 277
C) 278
D) 200
E) 300

Rationale: explanation : let the number of 20 paise coins be x . then the no of 25 paise coins = ( 344 - x ) . 0.20 * ( x ) + 0.25 ( 344 - x ) = 71 = > x = 300 . . answer : e ) 300
Answer: E