Multiple choice general knowledge

When a number is multiplied by 13, it becomes greater to 105 by an amount with which it is lesser to 105 by now. What is the number

  1. 12

  2. 14

  3. 15

  4. 13
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Let the number be x. 'Multiplied by 13, becomes greater to 105 by an amount with which it is lesser to 105 by now' translates to: 13x = 105 + (105 - x). Simplifying: 13x = 210 - x → 14x = 210 → x = 15. Verify: 15 is 90 less than 105. When multiplied by 13, 195 becomes 90 greater than 105. The condition holds.

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