What is the Number? If

if 21 is added to a number it becomes 7 less than thrice of the number. Then the number is

  1. 14
  2. 16
  3. 18
  4. 19
Monis Rasool Professor Asked on 10th June 2015 in Maths.
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1 Answer(s)

Answer: (1) 14
Explanation:-

Let be the number is X
According to the question,
X +21 = 3X – 7
3X – X = 21 + 7
2X = 28
X = 14

Hence, the number is 14.

Anurag Mishra Professor Answered on 10th June 2015.
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