यदि 68, x और 272 के बीच मध्यानुपाती है, तो x का मान क्या है?

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RRB NTPC Graduate Level CBT-I Official Paper (Held On: 06 Jun, 2025 Shift 1)
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  1. 17
  2. 16
  3. 15
  4. 19

Answer (Detailed Solution Below)

Option 1 : 17
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दिया गया है:

मध्यानुपाती = 68

x = अज्ञात

दूसरा पद = 272

प्रयुक्त सूत्र:

यदि 68, x और 272 के बीच मध्यानुपाती है, तो प्रयुक्त सूत्र है:

मध्यानुपाती = √(x x 272)

गणना:

68 = √(x × 272)

⇒ 682 = x × 272

⇒ 4624 = x × 272

⇒ x = 4624 ÷ 272

⇒ x = 17

∴ सही उत्तर विकल्प (1) है।

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