Prove that the below maths equation is true.

8 + 8 = 91

Why is 6 afraid of 7?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not rounded numerals equals 24.

Why Wine Glass Stem is so long?

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

Can you identify the famous TV character from the rebus below?

What word is pronounced the same if you take away four of its five letters?

How many letters are in the alphabet?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?