How many pluses should we put between the digits of 987654321 to get a total of 99, and where?
A fresh card pile is taken out of a box (the pile has 54 cards including 2 jokers). One joker is taken out and then the cards are shuffled for a good amount of times. After shuffling, two piles are made by dividing that one pile.
What is the possibility that one of the piles will have a card sequence from A to K in order?
John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?
But it is quite possible, do you know how?
I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?
I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.
Who Am I ?
Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?
You see a boat filled with people, yet there isn’t a single person on board. How is that possible?
A network of 20 x 10 squares is given to you.
Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?
Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?
A newspaper is supposed to have 60 pages.Pages 14 and 21 are missing from the newspaper.
Can you tell me , Which other pages won't be there as well ?
There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?
In 2011, people playing Foldit, an online puzzle game about protein folding, resolved the structure of an enzyme that causes an Aids-like disease in monkeys. Researchers had been working on the problem for 13 years. The gamers solved it in three weeks.