Choose or find odd letter group - BCD, KMN, QRS, GHI, WXY

B. KMN

Choose or find odd number - 3740 , 4635 , 5869 , 7946 , 2378

A. 3740

Choose or find odd number pair - (10 - 20) , (30 - 40) , (40 - 50) , (50 - 60)

A. 10 - 20

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

C. 63

Choose or find odd number pair - (2 - 8) , (3 - 27) , (4 - 32) , (5 - 125)

C. 4 - 32