who is silent in the parliament?

What does a man do only once in his lifetime, but women do once a year after they are 29?

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

How many Watermelons are there in the below picture?

You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

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

When does a USA Potato change its nationality?

What is common among 11, 69, and 88?

What happened when the wheel was invented?

Rearrange the letters in "new door" to make one word.