दो संख्याओं का ल.स.प. इसके म.स.प. का 40 गुना है। यदि संख्याओं का गुणनफल 1440 है, तो उनका म.स.प. ज्ञात कीजिए।

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NTPC CBT 2 2016 Previous Paper 5 (Held On: 18 Jan 2017 Shift 2)
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  1. 6
  2. 12
  3. 15
  4. 8

Answer (Detailed Solution Below)

Option 1 : 6
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दिया गया है:

ल.स.प. = 40 गुना म.स.प.

संख्याओं का गुणनफल 1440 है

प्रयुक्त सूत्र:

ल.स.प. × म.स.प. = संख्याओं का गुणनफल

गणना:

माना संख्या का म.स.प. 'H' है

⇒ ल.स.प. = 40H

अब,

ल.स.प. × म.स.प. = संख्याओं का गुणनफल

⇒ 40H × H = 1440

⇒ H2 = 1440/40 = 36

⇒ H = 6

∴ म.स.प. = 6

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