If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

why number 8549176320 is one of a kind?

What goes up but never comes down?

Count the Triangle in the figure given below:

What does this mathematical rebus means ?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Can you make a six-letter word using the letters N, A and B ?

There were three women in all the swimming costumes!
One was happy and the other two were sad!
The happy one was crying and the sad ones were smiling.
Why was this?

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?