Umm is the thrid questions answer correct…? we say that number leaves remainder 5 & 3, when divided by 4 & 9,,,and in answer you have mentioned the number to be of the form 9k+5 and 4m+3….should it be 4m+5 and 9k+3 ??? Reply
CAT-holics 
Great Article JnT sir, specially the last example 🙂
Umm is the thrid questions answer correct…? we say that number leaves remainder 5 & 3, when divided by 4 & 9,,,and in answer you have mentioned the number to be of the form 9k+5 and 4m+3….should it be 4m+5 and 9k+3 ???
Yes it should, with 4 it can’t leave 9 🙂 My bad.
regards
J
last question was amazing !!
not getting 64 and 128 in last ques. 😦
Factors of 256 larger than 52…
regards
J