I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

What is black when you buy it, red when you use it, and gray when you throw it away?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

How do you go from 98 to 720 using just one letter?

Be active and find the killer in the picture Riddle below.

You can hear me, but you can't touch or see me.

What am I?

Whats the next number in the below number sequence pattern.