24, 60 എന്നിവയുടെ മൂന്നാമത്തെ ആനുപാതം കണ്ടെത്തുക.

This question was previously asked in
RRB ALP Fitter 23 Jan 2019 Official Paper (Shift 2).
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  1. 144

  2. 120
  3. 164
  4. 150

Answer (Detailed Solution Below)

Option 4 : 150
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ആശയം:

മൂന്നാമത്തെ അനുപാതം ശരാശരി പദങ്ങളുടെ രണ്ടാം പദമാണ്.

ഉദാഹരണത്തിന്, നമുക്ക് ഒരു ∶ b = c ∶ d ഉണ്ടെങ്കിൽ, 'c' എന്ന പദം 'a', 'b' എന്നിവയുടെ മൂന്നാമത്തെ ആനുപാതികമാണ്.

അതായത്:

a : b ∷ b : c

കണക്കുകൂട്ടൽ:

a : b ∷ b : c

⇒ 24 : 60 ∷ 60 : c

⇒ 24/60 = 60 / c

⇒ c = (60 × 60)/24 = 150

∴ മൂന്നാമത്തെ അനുപാതം 150 ആണ്.

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