Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

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?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

Find the next number in the series.
1 10 24 43 67 ?

You can see three almost identical images below. Can you spot the odd one out from them?

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

What does Alexander the Great and Winnie the Pooh have in common?

What English word has three consecutive double letters?

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?