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

I can write cow in 13 letters.

Can You?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

On a bright sunny day, two fathers took their son fishing in the lake. Each man and son were able to catch one fish. When they returned to their camp, there were only three fishes in the basket. What happened?

PS: None of the fish were eaten, lost, or thrown back.

Spot 5 differences in two Christmas tree below:

What type of tree can I carry in my hand?

People put me on the table and cut me but do not eat me. What am I?

Prove that the below maths equation is true.

8 + 8 = 91

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

What does it mean?