For any even integer P, 300 multiplied by P is square of an integer. What is the least value of P?
Answers:  A) 3  B) 4  C) 10  D) 12  E) 14
p∗3∗10^2=s^2   So, s=√p∗3∗10^2   So, if p = 3 we get a perfect square number !!   Hence answer will be (3) 3
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For any even integer P, 300 multiplied by P is square of an integer. What is the least value of P?