MCQ
${ }^5 C_0+2 \cdot{ }^5 C_1+2^{2.5} \cdot{ }^5 C_2+2^3 \cdot{ }^5 C_3+2^4 \cdot 5 \mathrm{C}_4+2^5 \cdot{ }^5 C_5=$
  • A
    32
  • 243
  • C
    64
  • D
    729

Answer

Correct option: B.
243
  1. 243
Solution
Just calculate it by substituting the values of ${ }^5 \mathrm{C}_1,{ }^5 \mathrm{C}_2$ etc as 5,10 and just add them to get 243.

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