Question : Directions: The second number in the given number pairs is obtained by performing a certain mathematical operation(s) on the first number. The same operation(s) are followed in all the number pairs, EXCEPT one. Find that odd number pair.
Option 1: (64, 48)
Option 2: (72, 27)
Option 3: (96, 72)
Option 4: (108, 81)
Correct Answer: (72, 27)
Solution :
Let's check the options –
First option:
(64, 48); 16 × 4 = 64 and 16 × 3 = 48
Second option:
(72, 27); 18 × 4 = 72 and 18 × 3 = 54 ≠ 27
Third option:
(96, 72); 24 × 4 = 96 and 24 × 3 = 72
Fourth option:
(108, 81); 27 × 4 = 108 and 27 × 3 = 81
So, only the second option does not follow the pattern. Hence, the second option is correct.
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