Solve below rebus puzzle?

what does the below rebus means?

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

Move four matchsticks to the below square to form three squares?

I’m tall when I’m young, and I’m short when I’m old. What am I?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

There are two words one resembles the "state of rest" and the other is related to "writing/reading material".

Can you name these two words which also sound similar?

Women do it once a year after they turn 19 but men get to do it only once in a lifetime. What is it?