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: 5 : 128
Option 2: 3 : 30
Option 3: 7 : 352
Option 4: 1 : 4
Correct Answer: 7 : 352
Solution :
Let's check the options –
First option:
5 : 128→5
3
+ 3 = 125 + 3 = 128
Second option:
3 : 30→3
3
+ 3 = 27 + 3 = 30
Third option:
7 : 352→7
3
+ 3 = 343 + 3 = 346 ≠ 352
Fourth option:
1 : 4→1
3
+ 3 = 1 + 3 = 4
Hence, the third option is correct.
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