NTA Abhyas JEE Main2020MathematicsPermutation and CombinationPractice
The number of permutations of the alphabets of the word “ G O O G L E ” in which O ’ s are together but G ’ s are separated, is
Options
- A24
- B48
- C72
- D36
Correct answer
D. 36
Step-by-step solution
Keep both O ’ s together, then apart from G ’ s other alphabets can be arranged in 3 ! = 6 ways. In the gaps, two G ’ s can be placed in C 4 2 ways. OO L E Hence, the total number of ways = 3 ! ⋅ C 2 4 = 36