Choose or find odd pair of words - (Broad : Wide) , (Light : Heavy) , (Tiny : Small) , (Big : Large)

B. LIGHT : HEAVY

Choose or find odd word - Mountain , Valley , Glacier , Coast , Ridge

C. GLACIER

Choose or find odd word - Crane , Flamingo , Cuckoo , Curlew , Duck

C. CUCKOO

Choose or find odd word - Petticoats , Trousers , Skirts , Loongis

A. PETTICOATS

Choose or find odd letter group - CZHK, MLAG, XUBU, SENO, YDFP

C. XUBU