Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol?
19834 -----: 187
15921 -----: 153
17561 -----: 139
13734 -----: ???
There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?
What is the fastest way to double your money?
It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?
Count the number of triangles in the below picture?
Cristina was born in 1888. She just had her 30th birthday today how did that happen?
If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.
How is this possible?
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.
I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?
Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?
Note: 9 cannot be turned over to make it 6.
There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.