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Number System practice problem - 2 (in Hindi)
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Number System practice problem - 2 (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.

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VY
Thank you so much Sir :)....are these videos enough for CGL? ...shall i refer to any book as well, if yes please suggest book & author name.?
sir why we assumed the no. as x-4 ×-3........ it can be × ×+1 ×+2 ×+3 that would be easy