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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 whole 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 not allowed.)

Option 1: 63 : 137

Option 2: 70 : 151

Option 3: 47 : 83

Option 4: 34 : 79


Team Careers360 6th Jan, 2024
Answer (1)
Team Careers360 12th Jan, 2024

Correct Answer: 47 : 83


Solution : Let's check each option –
First option: 63 : 137; (63 × 2) + 11 = 126 + 11 = 137
Second option: 70 : 151; (70 × 2) + 11 = 140 + 11 = 151
Third option: 47 : 83; (47 × 2) + 11 = 94 + 11 = 105 ≠ 83
Fourth option: 34 : 79; (34 × 2) + 11 = 68 + 11 = 79

So, the third option is different from the other three options. Hence, the third option is correct.

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