I have some blue and red sock in my drawer. I have a total of 4 socks. I pick 2 socks and the chance that I get a pair of red socks is 1/2.

What is the chance of picking a pair of blue socks?

A father's child, a mother's child, yet no one's son.

Who am I?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

Buy me, smell me or deliver me, I do not change.

Who am I?

The dirtier I get, the whiter I look. Who am I?

I have eight fingers and two thumbs but I do not live. What Am I?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

What does below Rebus say?

XLR8