Question : Directions: The second number in the given number pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) is/are followed in all the number pairs, except one. Find that odd number pair.
Option 1: 24 : 169
Option 2: 12 : 49
Option 3: 48 : 625
Option 4: 36 : 365
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Correct Answer: 36 : 365
Solution : Let's check the options – First option: 24 : 169; 132 = 169 and (13 × 2) – 2 = 26 – 2 = 24 Second option: 12 : 49; 72 = 49 and (7 × 2) – 2 = 14 – 2 = 12 Third option: 48 : 625; 252 = 625 and (25 × 2) – 2 = 50 – 2 = 48 Fourth option: 36 : 365; 365 is not a perfect square.
So, only the fourth option is different from the other three options. Hence, the fourth option is correct.
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Option 1: (24, 195)
Option 2: (26, 211)
Option 3: (25, 200)
Option 4: (36, 291)
Question : Directions: The second number in the given number pairs is obtained by performing 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: (1000, 125)
Option 2: (216, 49)
Option 3: (1728, 216)
Option 4: (512, 64)
Question : Directions: The second number in the given number pairs is obtained by performing 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: (2, 24)
Option 2: (4, 320)
Option 3: (5, 430)
Option 4: (3, 108)
Question : Directions: The second number in the given number-pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) is/are followed in all the number pairs except one. Find that odd number pair.
Option 1: 16 : 2
Option 2: 100 : 5
Option 3: 36 : 3
Option 4: 186 : 7
Question : Directions: The second number in the given number pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) is/are followed in all the number pairs except one. Find that odd number pair.
Option 1: 7 : 46
Option 2: 13 : 166
Option 3: 9 : 78
Option 4: 48 : 144
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