Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

Spot 5 differences in two Christmas tree below:

Replace the question mark with the correct number in below Picture:

What is the word or phrase?

How many times in a given day, minutes and hour clock comes in a straight line ?