College of Admission Tests Multan

Number System

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

Question: 6

A number is doubled and 9 is added. If resultant is trebled, it becomes 75. What is that number
  • 8
  • 10
  • 12
  • 14

  Show/Hide Explanation 

Correct Answer: A

3(2x + 9) = 75

2x + 9 = 25

x = 8