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A purse contains a cetain number of coins fo denominations Re. 1 and 50 paise. The total value of the coins (in Rs) is 14 less than the total number o

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A purse contains a cetain number of coins fo denominations Re. 1 and 50 paise. The total value of the coins (in Rs) is 14 less than the total number of coins. Find the number of 50 paise coins
A. 12
B. 18
C. 22
D. 28
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Correct Answer - d
Let the number of Rs 21 coins and 50 paise coins be x and y, respectively
`x(1) + y(1//2) = x + y -14`
`rArr y - (y)/(2) = 14`
`rArr y = 28`
Hence, the correct option is (d)
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