If 3 March 2020 was Tuesday, then what was the day of the week on 3 February 2019?

In a certain Language ‘PRIEST’ is written as ‘OQHDRS’. Then How ‘PRISTINE’ is written.

Some equations have been solved on the basis of a particular system. On the same basis, find the correct answer to the equation.
1 × 3 × 5= 531
2 × 7 ×9 =972
4 × 6 × 8=?

If '+' means '÷' ;  ‘÷’means ' - ' ; ' - ' means '×' ; '×' means '+' , then
8 + 2÷ 3- 4 x 6 =? 

In each of the following questions, five words are given. Which of them will come in the middle if all of them are arranged alphabetically as in a dictionary?

Find which does not belong to the group? Circle, Square, Rectangle, Triangle, Octagon 

If COCK is written as D4P6D4L2, how will HENCE be written?

Direction: In the following question, select the related letters from the given alternatives. 

GHJM : QRTW :: CDFI :?