Riddles and Brain Teasers

91. To get the number in the fourth column, you add the numbers in column 1 and 2, then multiply by the number in column 2. f(n,m) = (n + m) * m
For example, f(2,3) = (2 + 3) * 3 = 15. Thus f(6,7) = (6 + 7) * 7 = 91

Posted in Brain Teasers

Tagged with sequence

Green You Eat It

What is one word that, when it’s green you eat it and when it’s blue you wear it?

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Bell. You eat a green bell pepper and you were a blue bell (a flower).

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Tagged with What am I?

Seeds on the Outside

What fruit has seeds on the outside?

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A strawberry.

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Break, Light, May

What word can be added before or after these words to make a new word or phrase?

Break, Light, May

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Day. Daybreak, daylight, may day.

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Only Self-Enumerating Number

What is the only self-enumerating number in English?

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Four. The number four has four letters, making it self-enumerating. Interestingly, there are no self-enumerating numbers in French.

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I Can Create Peace

My first is in alphabet, my third is in Guinness, my sixth is in donut and my eighth is in elephant. My fifth doesn’t appear in walrus, my second isn’t in stealth, but my seventh is in tremendous and my fourth is in horse. I can create peace.

What am I?

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Everyone. Several words match the letter requirements, but only everyone satisfies the last statement. The other words are:

absentee
aperture
housetop
evermore

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