\(22-\;\left[ {23-\left\{ {24\;-\;\left( {27 - \overline {25 - 30} } \right)} \right\}} \right] = ?\)

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RRC Group D Previous Paper 2 (Held On: 18 Sep 2018 Shift 1)
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  1. -7
  2. 7
  3. -9
  4. -8

Answer (Detailed Solution Below)

Option 3 : -9
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⇒ \(22-\left[ {23-\left\{ {24-\left( {27 - \overline {25 - 30} } \right)} \right\}} \right]\)

⇒ \(22-\left[ {23-\left\{ {24-\left( {27 - \overline { - 5} } \right)} \right\}} \right]\)

⇒ 22 – [23 – {24 – (27 + 5)}]

⇒ 22 – [23 – {24 – 32}]

⇒ 22 – [23 – (-8)]

⇒ 22 – [23 + 8]

⇒ 22 – 31

⇒ -9
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