Out of four images which one is the odd one out?

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

What can you see in the middle of March and April that you can never see in any other month?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Find the missing number in the sequence below:

The host of a game show, offers the guest a choice of three doors. Behind one is a expensive car, but behind the other two are goats.
After you have chosen one door, he reveals one of the other two doors behind which is a goat (he wouldn't reveal a car).

Now he gives you the chance to switch to the other unrevealed door or stay at your initial choice. You will then get what is behind that door.

You cannot hear the goats from behind the doors, or in any way know which door has the prize.

Should you stay, or switch, or doesn't it matter?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

What's a single-digit number with no value?

Which of the below owl is odd one out?