In this question, find the odd number pair from the given alternatives.
6,612
5,521
4,46
7,543
In this question, find the odd letters from the given alternatives.
ABBC
PQQR
WYYZ
KLLM
In this question, find the odd number from the given alternatives.
16
4
2
36
C.
2
Except, 2 all are the perfect square number.