A man always keeps a spare tyre in his car. To make full use of all the five tyres, he changes the tyres in a manner that for a distance of 1, 00,000 km, each of them runs the same distance.

Can you calculate the distance travelled by each tyre on that journey?

There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.

If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.

Will you accept that bet?

How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?

What is red and smells like blue paint?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

No matter how little or how much you use me, you change me every month. What am I?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

Complete the table series riddle by finding the number that can replace "??".