Choose or find odd letter group - AEC , PTR , FJH , UYW , KPM

E. KPM

Choose or find odd word - Apsara , Zerlina , Purnima , Cirus , Apollo

E. APOLLO

Choose or find odd word - Screw , Hammer , Needle , Pin , Nail

B. HAMMER

Choose or find odd word - Baghdad , Beijing , Delhi , Pakistan , Rangoon

D. PAKISTAN

Choose or find odd number pair - (21 - 6) , (28 - 42) , (42 - 12) , (84 -24)

B. 28 - 42