If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

What word begins and ends with an E, but has only one letter?

A lion and its tamer are standing inside a cage that measures 1 unit in radius. Both of them can effortlessly run at the speed of 1 unit maximum.

1) Suppose the lion is hungry, will he be able to eat up the tamer?
2) If yes, how long can the tamer survive?

What you cannot hold but it is yours?

What number should come in place of the question mark below?

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

What does this mean?

CCCCCCC

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

Count the number of balls in picture below: