top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

There is a box in which distinct numbered balls have been kept.You have to pick two balls .....Will you accept that bet?

0 votes
1,182 views

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?

posted Jun 9, 2015 by Rahul Vaidya

Share this puzzle
Facebook Share Button Twitter Share Button LinkedIn Share Button

1 Answer (Check Answer ▼)





Similar Puzzles
0 votes

There are a certain number of blue balls and a certain number of red balls in an urn. You pick up two balls from the urn randomly. If you find that they are opposite in colours, you throw them and put a red ball in the urn. If they are of the same colour, you throw them and put a blue ball in the urn.

Thus you are reducing the number of balls in the urn one at a time no matter what the case is. After going through it again and again. Only one ball will be remaining in the end. If you are told the respective number of blue and red balls at the outset, will you be able to predict the colour of the final ball?

+3 votes

There are 3 boxes, exactly one of which has a car. You can keep the car if you pick the correct box!

On each box there is a statement, exactly one of which is true.

Box 1: The car is in this box.
Box 2: The car is not in this box.
Box 3: The car is not in box 1.

Which box has the car?

0 votes

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

0 votes

Before a final time elapse
There will have been at least two gaps

During gaps, folks time they're biding
While a dozen halt their sliding

When a certain red line is crossed
It means that you may have just lost

A masked man sometimes saves the day
Stopping projectiles aimed his way

The appearance of a red light
Brings both vexation and delight

What am I?

...