using four eights (8) and a one (1) and one mathematical symbol , create the number 100

Find the number of squares in the below-given picture.

You can see three almost identical images below. Can you spot the odd one out from them?

Different lights make me strange by changing me into different sizes. What am I?

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.

I have eight fingers and two thumbs but I do not live. What Am I?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

It begins where the time ends.
Its second is an expression of surprise.
Its third is a question.
Its fourth is urinate.
It ends with a drink.

Which country it is?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

What do you get if you add 2 to 100 four times?