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: 61 : 248
Option 2: 39 : 160
Option 3: 37 : 152
Option 4: 53 : 208
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Correct Answer: 53 : 208
Solution :
Let's check the options –
First option:
61 : 248→(61 × 4) + 4 = 244 + 4 = 248
Second option:
39 : 160→(39 × 4) + 4 = 156 + 4 = 160
Third option:
37 : 152→(37 × 4) + 4 = 148 + 4 = 152
Fourth option:
53 : 208→(53 × 4) + 4 = 212 + 4 = 216 ≠ 208
Hence, the fourth option is correct.
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