in a bag there are 18 coins, some of which are 10paise and others 5 paise.the total worth is 140 paise.how many 10paise and 5 paise coins are there in the bag?
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Let number of 10 paise coins = 17k
number of 25 paise coins = 6k
Then, 17k × 10 + 6k × 25 = 11200
=> 320k = 11200
=> k = 35
Number of 10 paise coins = 17k = 17 × 35 = 595
number of 25 paise coins = 6k
Then, 17k × 10 + 6k × 25 = 11200
=> 320k = 11200
=> k = 35
Number of 10 paise coins = 17k = 17 × 35 = 595
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