Question

When a number is increased by 20% then the number obtained is 72 less than thrice the original number. Find the original number.

A 20 Correct Answer Incorrect Answer
B 30 Correct Answer Incorrect Answer
C 40 Correct Answer Incorrect Answer
D 50 Correct Answer Incorrect Answer

Solution

Let the original number be ‘x’. According to the question, => x × 1.2 + 72 = 3x => x = 40

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