A bag contains an equal number of one rupee, 50 paise and 25 paise coins respectively. If the total value is 210, how many coins of each type are there?
Choose the correct choice from the following answers
A) 20 coins  B) 50 coins  C) 100 coins  D) 120 coins  E) None of these
Let number of each type of coin = x. Then,   1 × x + .50 × x + .25x = 210   ⇒ 1.75x = 210 ⇒ x = 120 coins   Answer 120 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 210, how many coins of each type are there?