What is 30% of That Number? If

When 56 is subtracted from a number, it is reduced to 86 percent. What is 30% of that number?

  1. 160
  2. 90
  3. 110
  4. 120
Monis Rasool Professor Asked on 27th July 2015 in Maths.
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1 Answer(s)

Answer: (4) 120
Explanation:-
Let the number is X
According to the question,
X – 56  = X x 86/100
X – 56 = 43 X/50
X – 43 X /50 = 56
50 X – 43 X  = 56 x 50
7 X = 56 x 50
X = 8 x 50
X = 400
Then, 30 % of 400 = 400 x 30/100
= 4 x 30
= 120
Hence, the answer is (4) 120.

Anurag Mishra Professor Answered on 28th July 2015.
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