Choose or find odd word - Raid , Attack , Assault , Defence , Ambush

D. DEFENCE

Choose or find odd letter group - STUA , RQPA , MLKA , HGFA

A. STUA

Choose or find odd number pair - (21 - 49) , (24 - 64) , (25 - 54) , (81 - 36)

C. 25 - 54

Choose or find odd word - Arrow , Axe , Knife , Dagger , Sword

A. ARROW

Choose or find odd word - Henri Becquerel , Roentgen , Madam Curie , Einstein

D. EINSTEIN