A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

Which letter of the alphabet has the most water?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?

I can write cow in 13 letters.

Can You?

Remove two matchsticks to make the below equation correct.