I am quite hot but become too cold if you remove the first two letters. What am I?

Can you solve this picture maths equation?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

I know a nine-letter word having only one vowel.
Do you ?

Can you find out the total number of triangles in the given figure?

Count the number of triangles in the picture below:

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

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.