Science GK #12 || gk for ssc exam || railway || police || science question answer || mock test - Videos

18 right hai sir

17 right

20

16

15/20

Sir aaj wale good question
16 thik aae

16 right

good sir

?vvi and useful Question ,Sir Jee thank you…✍?

14 right

17

14right h

18

19

Jai hind sir

16/20

17

very nice video sir….17/20

20

Bhut bhut badiya………..lot of thanks…..sir ji

Sir ji uglina kya h
Pls explain

bahut badhiya video sir ji

18/20

Sir science key video jada se jada banay please

20/20

14

19