I have an apple tree , number of apple in this tree get doubles every week. On 30th week , the tree gets completely filled with apples :-) Can you tell me , on what week does my tree is half covered with apples ?
Find the next number in the series? 2, 12, 36, 80, 150, 252, 392, _ ?
What is Luis Suarez's (Soccer Player) favorite tea?
Can you count the number of matches in the picture below ?
John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age. Can you find their ages?
What happened when the wheel was invented?
What does this mathematical rebus means ?
I never was there, I am always to be. You have never ever seen me, not ever you will. Yet I am the confidence of everyone. Who Am I?
There is a square of a particular number which when doubled, becomes 7 more than its quarter. Can you find the number?
What does this rebus puzzle means ?
Can you make four (4) nines (9) equal 100?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.