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?
We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?
Open a Laptop which is password protected. Hint for the password is given as below:
1 mobile 3 books 2 Boards 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches
A man has eighty-one cows ( numbered 1,2,3...81 as such). The beauty is that cow no. 1 gives 1ltr of milk, cow no. 2 gives 2ltrs of milk and so on. The man wants to equally distribute the cows among his nine sons so that each one of them gets the same quantity of milk.
There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?
Name a key which is hardest to turn.
What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain
Jenifer and Jesica are having a conversation.
Jenifer: I am definitely not over 30.
Jesica: I am 28 and you are surely 5 years older to me at least.
Jenifer: No, you are at least 29.
You are told that both of them are lying throughout in the conversation. Can you find their respective ages?
Solve the equation in the image by looking at the pattern closely.
What two things can you never eat for breakfast?
Out of four images which one is the odd one out?
In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki