College of Admission Tests Multan

Number System

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

Question: 1

Find the number, when 15 is subtracted from 7 times the number, the result is 10 more than twice of the number
  • 5
  • 15
  • 7.5
  • 4

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Correct Answer: A

Let the number be x.
7x -15 = 2x + 10
5x = 25
x = 5