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Number System (Divisibility rule - 3) (in Hindi)
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Number System (Divisibility rule - 3) (in Hindi)

Bharat Gupta is teaching live on Unacademy Plus

Bharat Gupta
Engineer by degree Mathematician by Heart. Having 22 years of teaching experience. More than 20000 students selected.

Comments
(16)
U
Unacademy user
Sir, how can we take z-x=7? coz remainder of 99/7 and value of (z-x) should be divisible by 7? I couldn't get.
Ak
997 is not divisible by 7... It is devisible by 994
Sir, at 8.01 minute .....please explain 1y8 < A < 2y9 ye value kese aayi
A
Aishna
a year ago
its like xyz(min value)<a<xyz (max value)
Vimarsh Singh
a year ago
see video again by pausing at 7.35
sir in first question the can be 3 also bcoz 10-3 = 7 and it makes the soln 7*25 that itself says that it is divisible by 7
Milan Sharma
2 months ago
725 is not divisible by 7 so 3 is not possible
sir jb number 108 se chhota ho h nhi skta to option b kese true hua
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