What number comes next in this sequence:
7 8 5 5 3 4 4 _

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

Count the number of triangles in the below picture?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

Find out the missing number in the picture attached:

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.

On one occasion, A Boy collects 71 rupees in form of 20 paise and 25 paise. He collects a total of 324 coins.

Can you tell me how many 20-paisa and 25-paisa he got?