Question : Directions: Three of the following number pairs are alike in some manner and one is different. Select the odd number pair.
(NOTE: The second number in the given number pairs is formed by performing a certain operation on the first number. The same operation is followed in all the number pairs except one. Find that odd number pair.)
Option 1: 297 : 33
Option 2: 189 : 21
Option 3: 100 : 12
Option 4: 63 : 7
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Correct Answer: 100 : 12
Solution : Let's check the options –
First option:
297 : 33
→33 × 9 = 297
Second option:
189 : 21
→
21 × 9 = 189
Third option:
100 : 12
→
12 × 9 = 108 ≠ 100
Fourth option:
63 : 7
→
7 × 9 = 63
So, only the third option doesn't follow the same pattern as followed by the given set of numbers. Hence, the third option is correct.
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