**Mysterious n**

*Find the smallest integer n such that the expression is a fraction in the form where p,q,d are positive integers,p and q are co-prime and neither q nor d equals 1.*

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Correct answers were submitted by:

1. Ng Hong Jie.Jurong Junior College.Singapore

2. Muthukrishnan .Kle College , Bengaluru

3. Jhay Dela Cruz. Polytechnic University of the Philippines – Taguig

4. Kenny Wong, Jurong Junior College, Singapore

5. Arsh Singh. yourmathguru.com

Ans: 31

PUP Taguig