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

AB * C = DE - F = GH / I

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

What kind of band never plays music?