Choose or find odd word - Galileo , Copernicus , Columbus , Bhaskara , Aryabhatta

C. COLUMBUS

Choose or find odd word - Laos , India , Nepal , Afghanistan , Bolivia

B. INDIA

Choose or find odd word - Calendar , Year , Date , Month , Day

A. CALENDAR

Choose or find odd word - Disperse , Aggregate , Congregate , Accumulate

A. DISPERSE

Choose or find odd word - Reader , Writer , Printer , Publisher , Reporter

A. READER