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Mathematical Operations: Introduction (in Hindi)
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This lesson introduces you to Mathematical Operations and techniques to easily sail through this topic in competitive exams like SSC-CGL.

Mohit Rathee

Unacademy user
and English language 2 please please mam
6÷20=20÷6 ... by which rules ????
Sir, solution of last questn is wrong.. because.. 6÷20... 6/20 hota...not 20/6.
Mohit Rathee
3 years ago
go through the video again and listen carefully I corrected it .
Ritu Raj
3 years ago
Yes sir, it is correct.
Maneesh Thakur
3 years ago
please explain to me i am also facing the same problem in lst que
Last question solution is wrong otherwise all are explained in lucid way .
Is it [Brackets, Order(roots and exponents), Div, Mul, Add, Sub...] or [Brackets, Of, Div, Mul, Add, Sub.]? Regarding, 6/20 and 20/6 ... the Question written was wrong so while explaining(answer) he said to make the change(in question) as 20/6... for 6/20, the answer would be 9.6. Nice work.
how can we do 20/6 when it is 6/20 ? please explain ?
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