Which number should replace the question mark?
Who is generally closer to the kids, mom or dad? (it's a funny riddle)
A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?
If your uncle’s sister is not your aunt, what relation is she to you?
What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?
Look at this sequence from top to bottom. What is the next number in the sequence? 1 11 21 1211 111221 312211
Below, you can see some coding: January = 1017 February = 628 March = 1335 April = 145 May = 1353 June = 1064 July = 1074 August = 186 Now deciphering the way it has been coded, can you find out how September will be coded?
In the following series, a set of numbers is progressing with a particular pattern. Can you deduce that pattern and find the missing set? (2 + 6), (21 + 6), (58 + 6), (119 + 6), ___
What do you see in the given picture?
A man is approaching a broad and barren land. He has a package with him. If somehow, he is unable to open the package before reaching the land, he will die. Can you guess what is present in the package?
What English word has three consecutive double letters?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
