Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

In the addition below, all digits have been replaced by letters.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?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

What always comes into a house through the keyhole?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

Which digit occurred maximum times between the number 1 and 1000?

Which alphabet is a part of our body?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

Suppose we lay down two cups in front of you. One of the cups is filled with tea and the other one with coffee. Now we ask you to take a spoonful of tea and mix it with the coffee. At this moment, the coffee cup has a mixture of tea and coffee. You have to take that mixture (spoonful) and add it back to the tea.

Can you now tell if the cup of coffee has more tea or the cup of tea has more coffee?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?