I am quite hot but become too cold if you remove the first two letters. What am I?

Can you replace the question mark with the correct letter?

6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

What is wrong in the below Picture?

Spot what is wrong here in below Picture?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

A pregnant woman is preparing to name her seventh child. Her children's names so far are Dominique, Regis, Michelle, Fawn, Sophie, and Lara. What will she name her next child -- Jessica, Katie, Abby or Tilly?

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

Count the number of triangles in the picture below: