Question : Directions: Four number pairs have been given out of which three are alike in some manner and one is different. Select the one that is different.
(NOTE: Operations should be performed on the below numbers, without breaking down the numbers into their constituent digits. E.g. 13 - Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is as allowed.)
Option 1: 46 - 141
Option 2: 55 - 168
Option 3: 35 - 108
Option 4: 29 - 88
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Correct Answer: 29 - 88
Solution :
Let's check each option –
First option:
46 - 141→46 × 3 = 138; 138 + 3 = 141
Second option:
55 - 168→55 × 3 = 165; 165 + 3 = 168
Third option:
35 - 108→35 × 3 = 105; 105 + 3 = 108
Fourth option:
29 - 88→29 × 3 = 87; 87 + 3 = 90 ≠ 88
So, the fourth option is different from the others as the second number is 1 more than the third multiple of the first number instead of 3. Hence, the fourth option is correct.
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