If '−' means '÷', '÷' means '×', '×' means '+' and '+' means '−', then what will come in place of the question mark (?) in the following equation?
 1568 − 16 + 4 ÷ 5 × 22 = ?

This question was previously asked in
RRB NTPC Graduate Level CBT-I Official Paper (Held On: 06 Jun, 2025 Shift 2)
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  1. 294
  2. 100
  3. 492
  4. 113

Answer (Detailed Solution Below)

Option 2 : 100
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Detailed Solution

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Given: 1568 − 16 + 4 ÷ 5 × 22 = ?

Decoding the given information:

Symbol ÷ × +
Means ÷ × +

 

Now replacing the sign in the equation, we get:

1568 ÷ 16 − 4 × 5 + 22

= 98 − 4 × 5 + 22

98 − 20 + 22

= 78 + 22 = 100

Hence, the correct answer is "Option 2".

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