Riddles and Brain Teasers

Presidents and Parents

How could the 22nd and the 24th U.S. Presidents have the same parents, but not be brothers?

The 22nd and 24th U.S. presidents were both the same person – Grover Cleveland.

Posted in Brain Teasers

I Am Pronounced As One Letter But Written As Three

I am pronounced as one letter but written as three,
There are two of me, I am single, I am double,
I can be blue, brown, black or green.
I can be read from right to left or left to right and am still the same.

What am I?

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Eye.

Posted in Riddles

Two Three Ten Sequence

If:
2 3 = 10
7 2 = 63
6 5 = 66
8 4 = 96
9 7 = __

What is the missing number?

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f(n, m) = (n + m) × n

e.g. f(2, 3) = (2 + 3) × 2 = 10

Hence, f(9, 7) = (9 + 7) × 9 = 144

Posted in Brain Teasers

Tagged with sequence

Brothers And Sisters Of Leopold

If Leopold had one more sister he would have twice as many sisters as brothers.
If he had one more brother he would have the same number of each.

How many brothers and sisters does Leopold have?

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Three sisters and two brothers.

Posted in Brain Teasers

Building With the Most Stories

What building has the most stories?

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The library.

Posted in Riddles

I Used to Be The Light of Your Life

I used to be the light of your life,
I’d keep you warm while I cried,
Now I’m forgotten and tossed away.

What am I?

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A candle. They used to be a primary source of light, and to a lesser extent heat. The “crying” is the wax rolling down the candle.

Posted in Riddles

Tagged with What am I?

Two Tons

If you had a ton of feathers and a ton of stones which would be heavier?

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Neither. A ton is a ton, no matter what it’s made up of, and they both weigh a ton.

Posted in Brain Teasers

I Build Up Castles

I build up castles.
I tear down mountains.
I make some men blind,
I help others to see.
What am I?

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Sand.

Posted in Riddles

24 from 9, 6, 11 and 3

How do you get 24 from 9, 6, 11 and 3 using addition, subtraction, multiplication or division?

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There are multiple solutions.(6 – 3) × 11 – 9(11 – 6) × 3 + 9(9 – 6) × (11 – 3)

There are multiple solutions.

(6 – 3) × 11 – 9

(11 – 6) × 3 + 9

(9 – 6) × (11 – 3)

Posted in Brain Teasers

Not Many People Understand Me

My first three letters stores things. Not many people understand me. What am I?

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Binary. Bin is a storage container and binary just 1s and 0s.

Posted in Riddles

Tagged with What am I?

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