I’m tall when I’m young, and I’m short when I’m old. What am I?

How many letters are in the alphabet?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

On a bright sunny day, two fathers took their son fishing in the lake. Each man and son were able to catch one fish. When they returned to their camp, there were only three fishes in the basket. What happened?

PS: None of the fish were eaten, lost, or thrown back.

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

Can you find a five letter word that is left with only two letters if one is removed?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

Three people are in a room. Ronni looks at the Nile. The Nile looks at Senthil. Ronni is married but Senthil is not married. At any point, is a married person looking at an unmarried person? Yes, No or Cannot be determined.

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?