12, 16, 6 के चतुर्थानुपाती और 4, 6 के तृतीयानुपाती के बीच का अनुपात ज्ञात कीजिए।

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SSC CGL 2020 Tier-I Official Paper 10 (Held On : 18 Aug 2021 Shift 1)
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  1. 11 ∶ 5
  2. 3 ∶ 2
  3. 4 ∶ 3
  4. 8 ∶ 9

Answer (Detailed Solution Below)

Option 4 : 8 ∶ 9
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Detailed Solution

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दिया गया है:

संख्याएं 12, 16, 6 तथा

4 और 6 हैं। 

प्रयुक्त अवधारणा:

यदि x, a, b और c का चौथा अनुपात है।

⇒ a/b = c/x

यदि x, a और b का तीसरा अनुपात है तो,

a/b = b/x

गणना:

माना चतुर्थानुपाती x

और y तृतीयानुपाती है।

इसलिए,

12/16 = 6/x

⇒ x = 8

4/6 = 6/y

⇒ y = 9

इसलिए, अनुपात = 8 : 9

∴ अनुपात 8 : 9 है। 

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