When 99 is considered higher than 100?

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?

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

The more of this there is, the less you see. What is it?

What does this say?

XLR8

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

On the dull night when the blonde was dozing, she heard an odd clamour and she saw that there was a bizarre man with a gun simply outside her home. So she raced to the telephone to call the police, however, she can't dial 911. Why?

Replace the question mark with the correct number in the below-given picture?

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

Find the number of squares in the below-given picture.