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Riddle:

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

Answer:

Infinity! Technically you will never reach the door, as you can only move half the distance, no matter how small.

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Riddle:

What two whole, positive numbers that have a one-digit answer when multiplied and a two-digit answer when added?

Answer:

1 and 9.

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POW: 01-06-2020

Riddle:

I am four times as old as my daughter. In 20 years time I shall be twice as old as her.


How old are we now?

Answer:

I am 40 and my daughter is 10.

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POW: 12-30-2019

Riddle:

How many times can you subtract the number 5 from 25?

Answer:

Once, because after you subtract it's not 25 anymore.

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POW: 12-23-2019

Riddle:

How do you make the number 7 an even number without addition, subtraction, multiplication or division?

Answer:

Drop the "S".

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POW: 12-16-2019

Riddle:

Can you write down eight eights so that they add up to one thousand?

Answer:

888 + 88 + 8 + 8 + 8 = 1000.

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POW: 12-09-2019

Riddle:

One is to three as three is to five and five is to four and four is the magic number.


What is the pattern?

Answer:

One has three letters in the word three has five letters in it five has four letters and four has four letters in it (if you try more numbers they will always come back to the number four: so four is the magic number)

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POW: 12-02-2019

Riddle:

What number is that, which, added separately to 100 and 164, shall make them perfect squares?

Answer:

125.

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Riddle:

2, 3, 5, 9, 17, _ What is the next number in the sequence?

Answer:

33. The pattern:  Double the previous number and subtract 1.

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POW: 11-18-2019

Riddle:

An item is made from lead blanks in a lathe shop. Each blank suffices for 1 item. Lead shavings accumulated for making 6 items can be melted and made into a blank. How many items can be made from 36 blanks?

Answer:

From 36 blanks there are 36 items made. The lead shavings are enough to make 6 blanks. Which make 6 more items. But don't stop here. The new shavings are good for 1 more item. Total: 43.

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To see more past Problem of the Week's refer to the Riddles Newsletter annals.