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Coding Decoding

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Situation Reaction Test
  1. If 54 + 43 = 2, 60 + 51 = 10, then 62 + 72 = ?
    1. 30
    2. 18
    3. 20
    4. 9
Correct Option: D

5 - 4 = 1, 4 - 3 = 1 ⇒ 1 + 1 = 2
6 - 0 = 6, 5 - 1 = 4, ⇒ 6 + 4 = 10
6 - 2 = 4, 7 - 2 = 5 ⇒ 4 + 5 = 9


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