What is the next number in this matchsticks series riddle?

I make two people out of one. What am I?

Which point will the car reach to go out?

Before Mount Everest was discovered, what was the highest mountain in the world?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

What do the following words have in common?

Assess
Banana
Dresser
Grammar
Potato
Revive
Uneven
Voodoo

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

Three fair coins are tossed in the air and they land with heads up. Can you calculate the chances that when they are tossed again, two coins will again land with heads up?

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?