What is the next number in this matchsticks series riddle?

Today is John's birthday.
A year ago, John had five candles and he lit all the candles except the one at the last.
Now he is going to light all the candles.

How old is John Today?

(He is not five today.....)

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

An old Woman left INR 33,333 to be divided equally among two fathers and two sons and each was to receive INR 11,111.
How was this possible?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

Can you solve the below geography rebus by decoding the below rebus ?

I look at you, you look at me, I raise my right, you raise your left. What am I?

Can you divide the below-given shape into four equal and identical pieces?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?