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Mathematical operation and symbol notation

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Situation Reaction Test
  1. If K denotes 'X', B denotes '÷', 'T' denotes '-' and 'M' denotes '+', then 40   B   8   T   6   M 3   K   4 = ?
    1. 19
    2. 11
    3. -31
    4. 23
    5. None of these
Correct Option: B

∵ 40   B   8   T   6   M 3   K   4 = ?
⇒ 40 ÷ 8 - 6 + 3 x 4 = ?
⇒ 5 - 6 + 12 = ?
⇒ 17 - 6 = ?
∴ ? = 11


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