College of Admission Tests Multan

Permutation and Combination

Solve the question of and select the option from the choices A through D/E. Check your Answer and view the explanation.

Question: 8

In how many ways can the letters of the CHEATER be arranged
  • 20160
  • 2520
  • 360
  • 80

  Show/Hide Explanation 

Correct Answer: B

As we can see the letter "E" is twice in given word, so Required Number

= 7! 2!

= 7 × 6 × 5 × 4 × 3 × 2! 2!

=2520