Question

The difference between the value of the number increased by 20% and the value of the number decreased by 30% is 120. Find the number.

A 150 Correct Answer Incorrect Answer
B 280 Correct Answer Incorrect Answer
C 240 Correct Answer Incorrect Answer
D 180 Correct Answer Incorrect Answer

Solution

Let the number be x According to the question x × 120/100- x × 70/100=120 120x - 70x = 12000 50x = 12000 x = 240

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