Who want talking me I was bored

What is the smallest integer n such that n\sqrt{2} is greater than 20

Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

You have 3 boxes, one "strawberries"; one "mentos" and one "mixed".but you know that all the labels are in incorrect order .how do you know witch is witch?