what's the probability of getting a king or a queen from a pack of 52 cards?

Can you count the number of triangles inside a triangle?

What does this rebus means ?

PROG WORKRESS

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

I’m orange, I wear a green hat and I sound like a parrot. What am I?

An octopus has 8 legs. A hippogriff has 6 legs and 2 pairs of wings. A sphinx has 6 legs and one pair of wings. Now we have all 3 kinds and a total of 18 insects in a cage. We have a total of 118 legs and 20 pairs of wings. How many insects do we have of each kind?

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

Identify the next two numbers in this series.

101, 112, 131, 415, 161, 718, ???, ???

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair