There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

Eight Chelsea player makes the following statements :

1. Seven of us are lying here.
2. Six of us are lying here.
3. Five of us are lying here.
4. Five of us are lying here.
5. Four of us are lying here.
6. Three of us are lying here.
7. My name is Torres.
8. My name is Lampard.

The last two are Lampard and Torres or maybe Torres and Lampard.
So can you deduce which of the last two is Lampard or Torres?

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?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

Find out the missing number in the picture attached:

Why do you find that most of the buildings are deprived of the 13th floor?

Can you find out the remainder when 3^300 is divided by 5?

Find the 8 in the below-given Image.