When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

What does below chemistry rebus means?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

Prove that twice of ten is the same as twice of eleven.

Which digit occurred maximum times between the number 1 and 1000?

The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

A Monkey, a squirrel, and an Eagle are racing to the top of the mango tree. Assuming all these animals are in perfect shape, Which animal will reach to Banana first?

John was running from 40 thieves. John has got 3 gold boxes which weigh as 4kg, 2kg, and 1kg respectively. A witty man asked John to stay with him for seven days in exchange for 1kg gold per day. John needs to stay there for seven days and also do not want to give the witty man any advance. How can John pay for his seven days stay?

Rearrange the letters in "new door" to make one word.