MCQ
5C0​ + 2.5C1 ​+ 22.5C2 ​+ 23.5C3 ​+ 24.5C4 ​+ 25.5C5​ =
  • A
    32
  • B
    243
  • C
    64
  • D
    729

Answer

  1. 243

Solution

Just calculate it by substituting the values of 5C1, 5C2​ etc as 5, 10 and just add them to get 243.

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