12, 18, 6 चे चौथे प्रमाण हे 4 आणि k च्या तिसऱ्या प्रमाणासमान आहे. तर k चे मूल्य किती आहे?

This question was previously asked in
SSC CGL 2020 Tier-I Official Paper 16 (Held On : 23 Aug 2021 Shift 1)
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  1. 6.5
  2. 4
  3. 6
  4. 4√3

Answer (Detailed Solution Below)

Option 3 : 6
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दिलेले आहे:

12, 18, 6 चे चौथे प्रमाण हे 4 आणि k च्या तिसऱ्या प्रमाणासमान आहे.

गणना:

प्रश्नानुसार

चौथे प्रमाण x मानू

⇒ 12/18 = 6/x

⇒ x = (6 × 18)/12

⇒ x = 9

आता,

तिसरे प्रमाण आहे

⇒ 4/k = k/9

⇒ k2 = 36

⇒ k = 6

∴ k चे आवश्यक मूल्य 6 आहे

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