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Mathematical operation and symbol notation

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Situation Reaction Test
  1. If given, 12 (169) 5, 4 (20) 2 and 1 (26) 5, then 7 (?) 3
    1. 78
    2. 68
    3. 58
    4. 36
Correct Option: C

As, 122 + 5 2 ⇒ 144 + 25 = 169
42 + 22 ⇒ 16 + 4 = 20
and 12 + 52 ⇒ 1 + 25 = 26
Similarly,
72 + 32 = 49 + 9 = 58


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