Replace the (?) with the correct mathematical signs to make the expression equal to 59.

18 ? 12 ? 4 ? 5 = 59

How can a man go eight days without sleep?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

When a clock is observed, the hour hand is at a minute mark and the minutes hand is six minutes ahead of it.

When the clock is observed again after some time, the hour hand is precisely on a different minute mark and the minute hand is seven minutes ahead of it.

Can you calculate how much time has elapsed between the two observations?

Identify The phrase in the picture.

What runs around the whole yard without moving?

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

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

When did John make this statement?

Who is that with a neck and no head, two arms and no hands? What is it?

what does this picture(rebus) riddle means ?