AP EAMCET202316 May 2023Morning ShiftMathematicsMathematical InductionActual
If 2^ n divides 16 ! and 2^ n +1 does not divide 16 !, then n =
Options
- A14
- B15
- C16
- D17
Correct answer
B. 15
Step-by-step solution
Since 2^n divides 16 ! and 2^ n+1 does not divide 16 !. n= Number of times 2 occurs in 16 != [ 16 2 ]+ [ 16 2^2 ]+ [ 16 2^3 ]+ [ 16 2^4 ]=8+4+2+1=15