At my favorite fruit stand, an orange costs 18, a pineapple costs 27, and a grape costs 15. Using the same logic, can you tell how much a mango costs?
How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?
It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?
What does this Rebus Picture mean?
If one and a half boys, eat one and a half burgers in one and a half hours. How many burgers can 9 boys eat in 3 hours?
Can you count the number of blocks in the picture below?
2, 3, 5, 9, 17, _ What is the next number in the sequence?
Can you find out the next digit in the following series ? 0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?
I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?
What breaks yet never falls, and what falls yet never breaks?
A professor thinks of two consecutive numbers between 1 and 10. 'A' knows the 1st number and 'B' knows the second number A: I do not know your number. B: Nor do I know your number. A: Now I know. What are the four solutions for this?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
