A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3.

(You can use one number only once)

Two guards were guarding the camp.Guard-1 was looking towards the south to make sure no threat is coming from the road.Guard-2 was looking at the north to make sure no threat is coming from the top. Suddenly Guard-1 ask the Guard-2 why he is smiling?How Guard-1 knows that Guard-2 is smiling?

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

When did John make this statement?

How many triangles can you find in this given picture?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

81 x 9 = 801. What must you do to make the this equation true?

There are two dice with empty faces in front of you and a marker. You can mark any number on each of the faces of the two dice, but you have to display all 31 days of the month using the two of them.

Which numbers will you mark on which dice so that you can easily depict all the dates of the month?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?