Eleven plus two equals Nine

If eleven plus two equals one, what does nine plus five equal?




Similar Logic Riddles

Jessica is telling her friends this story and asks them to guess if it’s the truth or a lie: “There was a man sitting in a house at night that had no lights on at all. There was no lamp, no candle, and no other source of light. Yet, he sat in the house and read his book happily.” Her friends say she’s lying, but Jessica corrects them and says she’s telling the truth. Jessica’s story is true—but how?

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Three fair coins are tossed in the air and they land with heads up. Can you calculate the chances that when they are tossed again, two coins will again land with heads up?

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Can you fill the blank with the correct number?

6 30 870 756030 _____

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Can you find out which options fits best with the missing column?

Fit the Blocks

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What is the next shape from answers A, B, C, and D figure?

Next Shape Riddle

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John: "Hi Teacher, What is your favourite movie ?".
Chemistry Teacher: "Indium Cerium Platinum Iodine Oxygen Nitrogen".
Ten seconds later... John replied I got it.

Do you?

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What number should come in place of the question mark below?

Logical Number in Center

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Two men play a dice game involving roll of two standard dice. Man X says that a 12 will be rolled first. Man Y says that two consecutive 7s will be rolled first. The men keep rolling until one of them wins.

What is the probability that X will win ?

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Find the missing number in the sequence below:

Find the missing number

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Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

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Amazing Facts

Gamers

In 2011, people playing Foldit, an online puzzle game about protein folding, resolved the structure of an enzyme that causes an Aids-like disease in monkeys. Researchers had been working on the problem for 13 years. The gamers solved it in three weeks.