If you say my name, I will no longer exist. What am I?

What is the next number in the series?

15 29 56 108 208 ?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

Can you place six X (crosses) in below board without making three in a row in any way ?

Five teams were competing in cricket where they faced each other exactly once. After the tournament, the following is the point table.

DareDevils 6
SuperKings 5
Royals 4
Sunrisers 2
Riders ?

How many points did Riders end up with?

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

I can be cracked, made, told, and played. What am I?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?