By which number 3 is to be multiplied to get (-1)?

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WBSSC Group D Official Paper (Held On: 19 Feb, 2017)
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  1. \(1\)
  2. \(\frac{1}{3}\)
  3. \(-\frac{1}{3}\)
  4. \(-\frac{1}{2}\)

Answer (Detailed Solution Below)

Option 3 : \(-\frac{1}{3}\)
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Detailed Solution

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Given:

We need to determine the number by which 3 is multiplied to get -1.

Calculations:

Let the required number be x, then:

3 × x = -1

⇒ x = -1 / 3

∴ The correct answer is option (3).

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