Can you find out which number multiplied by itself will give the output as 12345678987654321?

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.

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Count the number of triangles in the below picture?

1. Where does Easter come from before Valentine's Day?

2. Do you know what is in the middle of Valentine's?

3. What did the lady bee say to the man bee on the occasion of Valentine's Day

How can you make number one disappear by adding something to it?

What do you call a fish without an eye?

What goes up but never comes down?

I can be cracked, made, told, and played. What am I?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10