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i have a few queries on these questions....if anyone is interested in helping!thank you!

 

https://web2.0calc.com/questions/prove-that-is-divisible-by-3-n-should-be-greater

 

https://web2.0calc.com/questions/which-of-the-following-is-a-prime-no#r3

 
 Feb 5, 2018

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