How many triangles are there on the puzzle below?
What is so fragile that saying its name breaks it?
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 ?
What happened when the wheel was invented?
The Judge knows that Alamgir was killed by his girlfriend Jasline, but the judge is unsure whether to punish her. Why?
You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth. How long would it take for the machine to cut the roll if each cut took 4 secs?
A newspaper is supposed to have 60 pages, but pages 24 and 41 are missing. Which other pages won't be there?
What seven-letter word has hundreds of letters in it?
Solve below popular number sequence 314 159 265 358 979 323 846 ?
The two towns are exactly 100 km apart. John leaves City A driving at 30 km/hr and Jacob leaves City B half an hour later driving at 60 km/hr. Who will be closer to City A when they meet?
I’m tall when I’m young, and I’m short when I’m old. What am I?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.