121÷11=11 12×5=60 9 ×8=72 49÷7=7 which one is odd one out and y

Question

Which one the odd one out and y

Answer 1

(1) The first operand in each case except for 12 is odd, so 12×5 could be considered the odd one out.

(2) The second operand in each case except for 8 is odd, so 9×8 could be considered the odd one out.

(3) The second operand in each case except for 8 is a prime number, so 9×8 could be considered the odd one out.

(4) The first operand in each case except for 12 is a perfect square, so 12×5 could be considered the odd one out.