Can you place six X (crosses) in below board without making three in a row in any way ?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Can you write down eight eights so that they add up to one thousand?

Which letter of the alphabet has the most water?

Who can jump higher than a Mountain?

Can you count the number of lines in the below picture?

You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

First, think of the colour of clouds. Next think the colour of snow. Last, think of the colour of the moon. Now, what do cows drink?

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

Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?