Rhonda At the Ballet

Rhonda will go see ballet but not the opera. Her favorite number is eight and she doesn’t like nine. She likes salmon but not trout. She hates Mondays and likes Wednesdays. Does she use a comb or a brush?

A comb. Rhonda likes words with silent letters, like her name.

Posted in Brain Teasers

Number Abbreviations

What do these represent?

24 = HiaD
26 = LotA
7 = DotW
9 = LoaC
12 = SotZ
88 = PK

24 hours in a day
26 letters of the alphabet
7 days of the week
9 lives of a cat
12 signs of the Zodiac
88 piano keys

Posted in Brain Teasers

Only Self-Enumerating Number

What is the only self-enumerating number in English?

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

Posted in Brain Teasers

A Trail of Silver

If you carried my burden, you would be crushed.
Though not rich, I leave a trail of silver.

What am I?

A snail. They carry their homes on their back, and a house would crush a person (even the tiny houses). And the trail of silver is a bit of a stretch, but it’s the slimy, gooey substance snails leave behind them.

Posted in Riddles
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Beam, Shine and Sparkle White

I beam, shine and sparkle white,
I brighten the day with a single light.
I charm and enchant one and all,
I can counter the darkest pall.

What am I?

A smile.

Posted in Riddles
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Ages Of Myself and My Brother

My current age, is the age of my 14 year-old brother plus one third of my age. How old will I be when my brother is twice his current age?

I will be 35. I am currently 21.

x = my current age

x = 14 + x/3
3x = 42 + x
2x = 42
x = 21 (so 14 years later, I'll be 35)
Posted in Brain Teasers

Alphabetized Letters

What well known series can these alphabetized letters be rearranged to form?

aaaaaabdeeghllmmptt

Alpha, beta, gamma, delta

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3661 Seconds Past Midnight

What is special about 3,661 seconds past midnight on January 1, 2001?

At the 3,661st second, the time and date can be written 01:01:01 01/01/01.

That is one cool date :)

Posted in Brain Teasers

Five Three Two

What is the answer to the last equation?

5 3 2 = 151012
9 2 4 = 183662
8 6 3 = 482466
5 4 5 = 202504
7 2 5 = ?

10000 × (x × y) + 100 × (x × z) + transpose_digits(x × y + y × z)

transpose_digits() just swaps the digits

Posted in Brain Teasers

Ted and The Vicious Dog

Ted was lost while driving around the country and saw a house. He parked under a nearby tree and started toward the house. As soon as he got out of his car a huge dog lunged at him from the opposite side of the tree. Fortunately the dog was chained and Ted managed to stay out of reach. Finding no one home at the house, Ted returned to his car, but as he approached the dog lunged at him again. The chain was so long the snarling animal could reach both car doors. How did Ted escape the dog and get back into his car?

Ted moved slowly around the tree keeping just out of the dog’s reach. The animal followed, winding its chain around the tree until it was too short to reach Ted’s car

Posted in Brain Teasers