railway RRB Junior Hindi Translator 2025 Mock Test Series Logical Reasoning Classification Number Based
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.
1
12 ∶ 9
2
8 ∶ 4
3
4 ∶ 15
4
20 ∶ 25