Math riddle

Reversed Age

Riddle:

The ages of a father and son add up to 66. The father's age is the son's age reversed. How old could they be? * There are THREE possible solutions
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The Business of Horses

Riddle:

A businessman buys a horse for $10 and sells it for $20. He then buys the same horse for $30 and sells it for $40. How much has the businessman earned in these 2 deals?
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The Two Kids

Riddle:

Mr. Thompson has 2 children. One of them is a boy. What are the odds the second kid is also a boy?
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A Bunch of Babies

Riddle:

If you have two twins, three triplets and four quadruplets, how many people do you have?
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The Pawn Shop

Riddle:

Jack had only $2, but he needed $3 for his cab fare home. He went to a pawn shop and pawned his $2 for $1.50. Jack then bumped into Don and told him that he would sell him his $2 pawn ticket for $1.50. Dan agreed. Since Jack started out with $2, and he ended up with $3, who is out the extra dollar and why?
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The Handshakers

Riddle:

If seven people meet each other and each shakes hands only once with each of the others, how many handshakes will there have been?
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The Doors of Nine

Riddle:

A new medical building containing 100 offices had just been completed. Mark was hired to paint the numbers 1 to 100 on the doors. How many times will Mark have to paint the number nine?
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A 2 Number Riddle

Riddle:

Take two numbers, such that the square of the first, plus the square of the second, shall equal 8; while the first, plus the product of the first and second, shall equal 6. What are the two numbers?
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The Bubble Boy

Riddle:

If a boy blows 18 bubbles, then pops 6 eats 7 and then he pops 5 and blows 1. How many are left?
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