IQ DAY 3 Coding & Decoding

Hellow and namaste everyone, i am a student of civil engineering currently preparing for PSC examination.
So, this channel is for civil engineers, civil sub engineers as well as assistant sub engineers those who are willing to crack PSC Examination of those related fileds.
Enjoy all the education video..
Study with me.
Target to crack PSC i n 60 days .
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