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Find a positive number which when increased by 17 is equal to 60 times the reciprocal of the number.

3
10
17
20

Correct Answer: 3

Explanation:

Let the number be x.

Then, x + 17 =	60
	x

⟹ x² + 17x - 60 = 0

⟹ (x + 20)(x - 3) = 0

⟹ x = 3.

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