Teaching NVS Junior Secretariat Assistant (JSA) Mock Test 2024 Logical Reasoning Classification Number Based
Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the number-pair that is different.
1
25 ∶ 631
2
30 ∶ 908
3
22 ∶ 490
4
21 ∶ 447