Which tank will fill first?

I have an eye but still cannot see.

Who am I?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

I have an apple tree , number of apple in this tree get doubles every week.

On 30th week , the tree gets completely filled with apples :-)



Can you tell me , on what week does my tree is half covered with apples ?