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In a bag there are coins of 25 paise, 10 paise, 5 paises in the ratio of 1:2:3. If there are rupees 30 in all, then how many 5 paise coins are there?

asked 2019-06-23 03:26:19 -0500

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In a bag there are coins of 25 paise, 10 paise, 5 paises in the ratio of 1:2:3. If there are rupees 30 in all, then how many 5 paise coins are there?

Options A. 50 B. 100 C. 150 D. 200

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answered 2019-06-25 04:58:38 -0500

Total = 30 rupees

1 rupee = 100 paise

30 rupees = 30 x 100 = 3000 paise

Given: 25 p : 10 p : 5 p = 1 : 2 : 3

let, Total number of coins be y

25(1y) + 10(2y) + 5(3y) = 3000 paise

60y = 3000

y = 3000/60 = 50

Now, 5(3y) = 5 x 3 x 50 = 750

Total number of 5 paise coins = 750/5 = 150 coins

Answer: option C

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Asked: 2019-06-23 03:26:19 -0500

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Last updated: Jun 25