O_er_t_o_ Complete the missing letters of the given word.
What word is pronounced the same if you take away four of its five letters?
Rearrange the letters in "new door" to make one word.
You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game. Would you want to play first or second? PS: The sum should be exactly 15.
Find the next number in the series. 1 10 24 43 67 ?
What jumps when it walks and sits when it stands?
Find the next number in the following series: 6, 14, 26, 98, __?
If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?
Always in you, Sometimes on you; If I surround you, I can kill you. What am I?
What are the 50th, 63rd and 100th numbers in the sequence below? 4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...
Women do it once a year after they turn 19 but men get to do it only once in a lifetime. What is it?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.