Using eight eights and addition only, can you make 1000?

What does this rebus mean?

O
N
C
E
TIME

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

Count the Triangle in the figure given below:

Which alphabet letter is a question?

John, a 5-year-old boy, was really fond of the chocolates. He asked his Mother to give him some money to buy his favourite chocolates. His Mother gave him $45. He went to the shopkeeper and asked, "How much is one chocolate for?". The shopkeeper said $3 for one chocolate. Also, if you give me the wrappers of three chocolates, I will give you one for the exchange.
In total, how much chocolate could John eat?

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.....)

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?