AP EAMCET202017 Sep 2020Morning ShiftMathematicsPermutation and CombinationActual
Find the number of ways of selecting 4 pens and 3 pencils from a packet of 8 pens and 5 pencils,
Options
- A700
- B( ^8 P₄ ^5 P₃ )
- C( ^8 P₄+ ^5 P₃ )
- D(700 ^8 P₄ )
Correct answer
A. 700
Step-by-step solution
Number of ways (= ^8 C₄ ^5 C₃=700 )