A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

I can write cow in 13 letters.

Can You?

Katrina wants to go on a date and prefers her date to be tall, dark and handsome.

Of the preferred traits - tall, dark and handsome - no two of Shahrukh, Ajay, Salman and Akshay have the same number.
Only Shahrukh or Akshay is tall and fair.
Only Ajay or Salman is short and handsome.
Shahrukh and Salman are either both tall or short.
Ajay and Akshay are either both dark or both fair.
Who is Katrina's date?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

How many letters are in the alphabet?

A woman is sitting in her hotel room and hears a knock at the door. She opens the door to see a man whom she’s never met before. He says, “I’m sorry, I have made a mistake, I thought this was my room.” He then goes down the corridor and into the elevator. The woman goes back into her room and calls security. What made the woman so suspicious of the man?

How many letters are in the alphabet?

Count the Triangle in the figure given below: