SSC JE Mechanical Engineering 2017 Set 2 Paper

Condition (1) ⇒ 62 @ 12 = 11
⇒ (6 + 2) + (1 + 2) = 8 + 3 = 11
Condition (2) ⇒ 23 @ 34 = 12
⇒ (2 + 3) + (3 + 4) = 5 + 7 = 12
Similarly,
Condition (3) ⇒ 73 @ 16
⇒ (7 + 3) + (1 + 6) = 10 + 7 = 17