Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

Can you replace the question mark with the correct number in the below table sequence?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

There is a shop where written:
Buy 1 for $1
10 for $2
100 for $3
I needed 999 and still only paid $3. How could this be financially viable for the shop-keeper?

What is harder to catch the faster you run?

Find the missing number in the sequence below:

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

A man was telling some of his war stories to his grandchildren.
"When the World War I was on the verge of end, I was awarded for my bravery for I had saved a group of my men." He coughed and then added, "When we were fighting in northern France, an enemy soldier threw a grenade at us. Before it could explode, I picked it up and threw it away. For my act of bravery, right before the war ended, A General gave me a sword engraved with the words "Awarded for Display of Bravery and Heroism in World War 1"."

Hearing this, one of the grandson spoke up. "Grandpa, this is not a true story. It can"t be true!"

The truth is that it was not. How did the grand children know it?

Can you find a five letter word that is left with only two letters if one is removed?