A bag contains an equal number of one rupee, 50 paise and 25 paise coins respectively. If the total value is 175, how many coins of each type are there? Answers:
A) 20 coins  B) 30 coins  C) 50 coins  D) 100 coins  E) None of these
Let number of each type of coin = x. Then,   1 × x + .50 × x + .25x = 175   ⇒ 1.75x = 175 ⇒ x = 100 coins   Answer 100 coins
<result>D</result>
A bag contains an equal number of one rupee, 50 paise and 25 paise coins respectively. If the total value is 175, how many coins of each type are there?