सरल कीजिए: \(72 \div \left[ \frac{4}{2} \times \left\{ 9 + 2 - \left( 4 + 7 - \left( 1 + 8 \right) \right) \right\} \right] \)

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RRB NTPC Graduate Level CBT-I Official Paper (Held On: 06 Jun, 2025 Shift 3)
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  1. 4
  2. 12
  3. -1
  4. -4

Answer (Detailed Solution Below)

Option 1 : 4
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दिया गया है:

\(72 \div \left[ \frac{4}{2} \times \left\{ 9 + 2 - \left( 4 + 7 - \left( 1 + 8 \right) \right) \right\} \right] \)

प्रयुक्त सूत्र:

BODMAS का अनुसरण करें: कोष्ठक → क्रम → भाग → गुणा → जोड़ → घटाव

गणना:

\(72 \div \left[ \frac{4}{2} \times \left\{ 9 + 2 - \left( 4 + 7 - \left( 1 + 8 \right) \right) \right\} \right] \)

\((72 \div \left[ 2 \times \left\{ 9 + 2 - (4 + 7 - 9) \right\} \right] )\)

\((72 \div \left[ 2 \times \left\{ 9 + 2 - (11 - 9) \right\} \right] )\)

\((72 \div \left[ 2 \times \left\{ 9 + 2 - 2 \right\} \right] )\)

\((72 \div \left[ 2 \times 9 \right] )\)

\((72 \div 18)\)

⇒ 4

∴ सही उत्तर 4 है।

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