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Write the value of (5C1 + 5C2 + 5C3 + 5C4 + 5C5).

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Write the value of (5C1 + 5C2 + 5C3 + 5C4 + 5C5).

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⇒ 5C1 + 5C2 + 5C3 + 5C4 + 5C5

⇒ 6C2 + 6C4 + 1 [As 5C5 = 1]

⇒ 15 + 15 + 1

⇒ 31

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