What Adam and Eve do not have but the rest of the people have?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

There are forty elephants and they have forty-fore heads. How can this be possible?

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?

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

I add 5 to 9 and get 2. The answer is correct, so what am I?