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Question : Directions: Four number pairs have been given of which three are alike in some manner and one is different. Select a different one.
(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: 19 : 370

Option 2: 11 : 130

Option 3: 17 : 298

Option 4: 15 : 244


Team Careers360 19th Jan, 2024
Answer (1)
Team Careers360 20th Jan, 2024

Correct Answer: 15 : 244


Solution : Let's check the given options –
First option: 19 : 370→(19) 2 + 9 = 361 + 9 = 370
Second option: 11 : 130→(11) 2 + 9 = 121 + 9 = 130
Third option: 17 : 298→(17) 2 + 9 = 289 + 9 = 298
Fourth option: 15 : 244→(15) 2 + 9 = 225 + 9 = 234 ≠ 244

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

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