why number 8549176320 is one of a kind?

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

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.

You walk into a room and see a bed. On the bed, there are two dogs, five cats, a giraffe, six cows, and a goose. There are also three doves flying above the bed. How many legs are on the floor?

A father's child, a mother's child, yet no one's son.

Who am I?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

How many times in a given day, minutes and hour clock comes in a straight line ?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

When a clock is observed, the hour hand is at a minute mark and the minutes hand is six minutes ahead of it.

When the clock is observed again after some time, the hour hand is precisely on a different minute mark and the minute hand is seven minutes ahead of it.

Can you calculate how much time has elapsed between the two observations?