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1, 2, x, 4, 5 ల మధ్యగతం 3 అయితే, వాటి సగటు ఎంత?

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Bihar STET TGT (Maths) Official Paper-I (Held On: 04 Sept, 2023 Shift 1)
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  1. 3
  2. 4
  3. 5
  4. 4.5

Answer (Detailed Solution Below)

Option 1 : 3
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సూత్రం:

బేసి సంఖ్యలో ఉన్న పదాల మధ్యగతం మధ్య పదం

సగటు = పరిశీలనల మొత్తం / పరిశీలనల సంఖ్య

వివరణ:

1, 2, x, 4, 5 ల మధ్యగతం 3 అయితే

⇒ x = 3

సగటు = 1 + 2 + 3 + 4 + 5/ 5 = 15/5 = 3

కాబట్టి, సరైన సమాధానం 3.

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