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प्रश्न
Choose the correct alternative:
In 3 fingers, the number of ways four rings can be worn is · · · · · · · · · ways
पर्याय
43 – 1
34
68
64
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उत्तर
64
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संबंधित प्रश्न
By the principle of mathematical induction, prove the following:
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1 + 3 + 5 + 7 + · · · + 17 is equal to
