What has no start, end, or centre?

Name a key which is hardest to turn.

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

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

In the Thar desert, 3 men found a big 24L Jar is full of water. Since there is a shortage of water so they decided to distribute the water among themselves such that they all have equal amounts of it. But they only have a 13L, a 5L and an 11-litre Jar.

How do they do it?

Usually, a boxing match consists of twelve rounds. In a particular friendly match between two heavyweights, the match was finished in the ninth round itself as one of the boxers knocked out the other one.

But, in that fight, no man threw even a single punch.

How can this be possible?

Our product and our sum always give the same answer. Who are we?

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