The total number of ways of selecting six coins out of 20 one-rupee coins, 10 fifty-paisa coins, and 7 twenty-five paisa coins is a. $28$ b. $56$ c. $^{37} C_{6}$ d. none of these

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The total number of ways of selecting six coins out of 20 one-rupee coins, 10 fifty-paisa coins, and 7 twenty-five paisa coins is a.

28

56

^{37} C_{6}

d. none of these

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The total number of ways of selecting six coins out of 20 one-rupee coins, 10 fifty-paisa coins, and 7 twenty-five paisa coins is a.

28

56

^{37} C_{6}

d. none of these

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