19. A jar contains 1 rupee, 50 paise and 25 paise coins. There is a total of 10 coins in the jar such
that number of 50 paise coins < number of 25 paise coins < number of 1-rupeecoins.If one-fifth
of the coins are of 50 paise, find the ratio of 1-rupeecoins to the total number of coins?
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Answer:
17.60
Step-by-step explanation:
30 coins of 50 paise = 1/2 × 30 = 15 rupees
50 coins of 25 paise = 1\4 × 50 = rupees 12.5 and 10 paise
total 15 + 12.50 + 0.10 = 220 7.60 money left
27.60 - 10 = 17.60
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