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

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?

What type of tree can I carry in my hand?

Our product and our sum always give the same answer. Who are we?

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.

1 dollar = 100 cent
= 10 cent x 10 cent
= 1/10 dollar x 1/10 dollar
= 1/100 dollar
= 1 cent

=> 1 dollar = 1 cent

solve this tricky problem?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

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

Which flower has two lips?

When you stop to look, you can always see me. But if you try to touch me, you can never feel me. Although you walk towards me, I remain the same distance from you. What am I?