College of Admission Tests Multan

Permutation and Combination

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

Question: 1

Evaluate: 30! 28!

  • 970
  • 870
  • 770
  • 670

  Show/Hide Explanation 

Correct Answer: B

30! 28!

= 30 × 29 × 28! 28!

= 30 × 29 = 870