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?

Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

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

Who am I?

Suppose you are sitting in an interview and the interviewee asks you an aptitude question.

You have three buckets with a capacity of 4 litres, 8 litres and 10 litres and you have a large tank of water. Now you have to measure 3 litres of water precisely using those buckets. How will you do it?

What kind of band never plays music?

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

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

Decode this picture on T-Shirt and tell what it says ?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?