Choose or find odd word - Sahara , Thar , Gobi , Sunderban , Kalahari

D. SUNDERBAN

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

C. COLUMBUS

Choose or find odd number - 11 , 13 , 15 , 17

C. 15

Choose or find odd word - Tulsidas , Sheridan , Kalidas , Shakespeare , Bernard Shaw

A. TULSIDAS

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

A. 3740