There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Can you solve the below algebraic mathematical equation?

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

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

Can you count the number of blocks in the picture below?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

In the image below, can you find the value of an angle(y)

A pack of cards has 40 cards. You are blindfolded. Out of 40, 25 cards are facing down while 15 are facing up. You have been asked to divide this pack of cards into two decks - so that each deck contains an equal number of face-up cards. Remember, you are blindfolded.

How will you do it?

You have $100 with you and you have to buy 100 balls with it. 100 is the exact figure and you can't go below or above the numbers and you have to use the entire $100. If there is no kind of tax applied how many of each of the following balls will you be able to buy:

Green Balls costing $6
Yellow Balls costing $3
Black Balls costing $0.10

Now, how many of each must you buy to fulfil the condition given?

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?