![The Pen and Pencil on Twitter: "Guess how many tennis balls are in the jar - £100 bar tab #prize for the closest guess! #guessmyballs #wimbledon… " The Pen and Pencil on Twitter: "Guess how many tennis balls are in the jar - £100 bar tab #prize for the closest guess! #guessmyballs #wimbledon… "](https://pbs.twimg.com/media/DD319zPXsAEC21z.jpg)
The Pen and Pencil on Twitter: "Guess how many tennis balls are in the jar - £100 bar tab #prize for the closest guess! #guessmyballs #wimbledon… "
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FOX Sports on Twitter: "Guess the number of golf balls & you could win a trip to the U.S. Open! ENTER: http://t.co/R3LS9EJ3sc #USOpenonFOX http://t.co/itycIN2qak"
![AIR MILES Reward Program on Twitter: "RT & guess how many balls are in this case for a chance to win a 2015 NBA All Star Swingman Jersey! #Game4Miles http://t.co/7iQUNl7QiE" AIR MILES Reward Program on Twitter: "RT & guess how many balls are in this case for a chance to win a 2015 NBA All Star Swingman Jersey! #Game4Miles http://t.co/7iQUNl7QiE"](https://pbs.twimg.com/media/B0vpEwFCAAEw8Ee.jpg)
AIR MILES Reward Program on Twitter: "RT & guess how many balls are in this case for a chance to win a 2015 NBA All Star Swingman Jersey! #Game4Miles http://t.co/7iQUNl7QiE"
Prince Wimbledon Ball Guess Contest - Guess the Number of Balls and Win! - Tennisopolis : Tennis Social Network
![95% get this wrong! How many Balls? Toughest Puzzle on the Internet! | Math riddles, Riddles, Brain teasers with answers 95% get this wrong! How many Balls? Toughest Puzzle on the Internet! | Math riddles, Riddles, Brain teasers with answers](https://i.pinimg.com/736x/e5/9e/0d/e59e0d3b719721f20bfbe4fd7d06a46e.jpg)