AP EAMCET201724 Apr 2017Morning ShiftMathematicsPermutation and CombinationActual
The number of different signals which can be given from 7 different coloured sheets, taking one or more at a time is
Options
- A127
- B5913
- C13699
- D13700
Correct answer
C. 13699
Step-by-step solution
No solution. Refer to answer key.