In questions numbered 31 to 35 pick the odd thing out.
Moon, Mars, Mercury , Venus, Jupiter, Neptune, Uranus
Knife, Sword, Hammer, Needle, Thread, Axe, Blade, Nail
January , March, May, June, July, August, October, December
Each of the questions from 36 to 45 follows a definite pattern, observe the same and fill in the blanks with suitable ones.
$$\sqrt{4}, \sqrt{18}, \sqrt{48}, \sqrt{100}, \sqrt{180}, \sqrt{294}$$, ____________