Best riddles for teens

It's Valentine's Day! What reindeer do we see on this day?

Count the number of times the letter "F" appears in the following paragraph: FAY FRIED FIFTY POUNDS OF SALTED FISH AND THREE POUNDS OF DRY FENNEL FOR DINNER FOR FORTY MEMBERS OF HER FATHER'S FAMILY.

What happens when you slap Dwayne Johnson's butt?

If a farmer has 5 haystacks in one field and 4 haystacks in the other field, how many haystacks would he have if he combined them all in the center field?

On the first day they cover one quarter of the total distance. The next day they cover one quarter of what is left. The following day they cover two fifths of the remainder and on the fourth day half of the remaining distance. The group now have 14 miles left, how many miles have they walked?

Without looking at a calendar, within a minute name a boys name using 5 consecutive first letters of 5 consecutive months.

Until I am measured I am not known. Yet how you miss me when I have flown.

This word is a favorite of girls. Boys are unnerved on the mention of it. Once love finds its accompaniment, it becomes a lifelong event. What is it?

What makes grown men cry, but humanity would go extinct without it?

A hungry donkey was tied to a rope eight feet long. About thirty feet away there was a basket of fresh carrots. The donkey wanted to eat those carrots. How did he reach them?