A bag contains an equal number of one rupee, 50 paise and 25 paise coins respectively. If the total value is 140, how many coins of each type are there?
Pick.
A) 20 coins B) 30 coins C) 40 coins D) 80 coins E) None of these
Let number of each type of coin = x. Then,   1 × x + .50 × x + .25x = 140   ⇒ 1.75x = 140 ⇒ x = 80 coins   Answer 80 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 140, how many coins of each type are there?