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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Option 1: 55 : 10
Option 2: 80 : 13
Option 3: 20 : 3
Option 4: 95 : 18
Question : Directions: The second number in the given number pairs is obtained by performing certain mathematical operations(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: 5 : 20
Option 2: 4 : 12
Option 3: 7 : 42
Option 4: 6 : 36
Question : Directions: The second number in the given number pairs is obtained by performing certain mathematical operations(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: 9 : 26
Option 2: 5 : 17
Option 3: 3 : 13
Option 4: 8 : 23
Option 1: 6 : 12
Option 2: 10 : 60
Option 3: 8 : 40
Option 4: 7 : 21
Option 1: 4 : 36
Option 2: 2 : 10
Option 3: 5 : 55
Option 4: 3 : 23
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