Choose or find odd number - 9611 , 7324 , 2690 , 1754

B. 7324

Choose or find odd number - 21 , 39 , 51 , 63 , 83

E. 83

Choose or find odd number - 8314, 2709, 1315, 2518, 3249

A. 8314

Choose or find odd number - 43 , 53 , 63 , 73 , 83

C. 63

Choose or find odd number - 5698 , 4321 , 7963 , 4232 , 8597

D. 4232