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: 4 : 70
Option 2: 3 : 30
Option 3: 6 : 222
Option 4: 7 : 350
Correct Answer: 4 : 70
Solution :
Let's check the options –
First option:
4 : 70; 70 is not divisible by 4.
Second option:
3 : 30; 30 ÷ 3 = 10; 30 is divisible by 3.
Third option:
6 : 222; 222 ÷ 6 = 37; 222 is divisible by 6.
Fourth option:
7 : 350; 350 ÷ 7 = 50; 350 is divisible by 7.
So, only in the first option, the second number is not divisible by the first number of the given pair. Hence, the first option is correct.
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