Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the number-pair that is different.
Answer & explanation
Correct answer: option 2
253471 : 778
⇒ 2+ 5 +3 +4 + 7 + 1 = 22
AND 7 + 7 + 8 =22
LHS = RHS
324335 : 577
⇒ 3 + 2 + 4 +3 + 3 + 5 = 20
AND 5 + 7 + 7 =19
LHS ≠ RHS
406321 : 493
⇒ 4 +0 +6 +3 + 2 + 1 = 16
AND 4 + 9 + 3 = 16
LHS = RHS
111617 : 278
⇒ 1+ 1 +1 +6 + 1 + 7 = 17
AND 2 + 7 + 8 =17
LHS = RHS