Question : Directions: Four pairs of numbers have been given, out of which three are alike in some manner, while one is different. Choose out the odd one.
Option 1: 25 : 16 : 9
Option 2: 64 : 100 : 18
Option 3: 81 : 9 : 19
Option 4: 16 : 64 : 12
Correct Answer: 81 : 9 : 19
Solution : Let's check each option – First option: 25 : 16 : 9→√(25) + √(16) = 5 + 4 = 9 Second option: 64 : 100 : 18→√(64) + √(100) = 8 + 10 = 18 Third option: 81 : 9 : 19→√(81) + √(9) = 9 + 3 = 12 ≠ 19 Fourth option: 16 : 64 : 12→√(16) + √(64) = 4 + 8 = 12
So, only the third option doesn't follow the same pattern as followed by the other three. Hence, the third option is correct.
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Option 1: 51 – 25
Option 2: 50 – 7
Option 3: 16 – 3
Option 4: 64 – 32
Question : Directions: Four numbers have been given out of which three are alike in some manner, while one is different. Choose the odd one.
Option 1: 18
Option 2: 25
Option 3: 24
Option 4: 33
Option 1: 25, 53
Option 2: 19, 39
Option 3: 37, 75
Option 4: 68, 137
Question : Directions: Four number–pairs have been given, out of which three are alike in some manner and one is different. Select a different one.
Option 1: 48 – 81
Option 2: 64 – 100
Option 3: 25 – 36
Option 4: 16 – 49
Option 1: 25 : 650
Option 2: 14 : 210
Option 3: 7 : 50
Option 4: 21 : 462
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