Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

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

What's the only room from which no one can enter or leave

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

A Car is crossing a bridge 2 miles long. The bridge can only hold 10000 lbs, which is the exact weight of the car. The Car makes it half way across the bridge and stops. A bird lands on the car. Does the bridge collapse? Explain.

What has many keys but can’t open a single lock?