निम्नलिखित में से किसको \(\frac{-1}{2}\) में जोड़ा जाय कि योगफल एक निकटतम प्राकृतिक संख्या हो?

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Bihar STET Paper I: Mathematics (Held In 2019 - Shift 1)
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  1. \(\frac{2}{3}\)
  2. \(\frac{3}{2}\)
  3. \(\frac{1}{2}\)
  4. \(\frac{1}{3}\)

Answer (Detailed Solution Below)

Option 2 : \(\frac{3}{2}\)
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Bihar STET Paper 1 Mathematics Full Test 1
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गणना:

हम जानते हैं कि,

-1/2 की निकटवर्ती प्राकृतिक संख्या 1 है।

1 प्राप्त करने के लिए -1/2 में जोड़ा जाएगा,

⇒ -1/2 + x = 1

⇒ x = 1 + 1/2

⇒ x = (2 + 1)/2

⇒ x = 3/2

अतः -1/2 में 3/2 जोड़ा जाना चाहिए।

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