Answer: The third side of the isosceles triangle has to be 17, it cannot be 8, as a triangle won't be formed.

Answer: "The numbers 1,4 and 7 can be drawn with straight lines, the other numbers have some curve in them."

Answer: If you increase the dimensions of a rectangle by 100% its area increases by 300%.

Answer: The smallest possible integer after one which is a perfect square as well as a perfect cube is 64 and the next possible one is 729.

Answer: The first word is BEACH, and the second word is BLEND.