What do you get if you add 2 to 100 four times?

I can write cow in 13 letters.

Can You?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

It has five wheels, though often think four, You cannot use it without that one more, You can put things in it, you can strap things on top, You can't find it in the market, but you can still go shop. What is it?

Count The number of F's in the paragraph below:

"FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS"

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

On rolling two dices (six-sided normal dice) together, what is the probability that the first one comes up with a 2 and the second one comes up with a 5?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

What does this rebus riddle means ?