यदि X + Y > 5 और X - Y > 3 है, तो X के लिए सही विकल्प चुनें। 

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NPCIL Assistant Grade-1 (HR/F&A/C&MM/Steno Grade-I) Official Paper-II (Held In: 2022)
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  1. X > 4
  2. X = 3
  3. X > 5
  4. X < 3

Answer (Detailed Solution Below)

Option 1 : X > 4
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NPCIL Assistant Grade 1 Computer Knowledge Subject Test - 01
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दिया गया है:

यदि X + Y > 5 और X - Y > 3

प्रयुक्त सूत्र:

हमें X की सीमा ज्ञात करने के लिए असमिकाओं को हल करने की आवश्यकता है।

गणना:

पहली असमिका: X + Y > 5

दूसरी असमिका: X - Y > 3

दोनों असमिकाओं को जोड़ें:

⇒ (X + Y) + (X - Y) > 5 + 3

⇒ 2X > 8

⇒ X > 4

∴ सही उत्तर विकल्प 1 है।

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