Brain Teasers
License Plate
The last three digits of Allison's license plate have a product of 360. The sum of the digits is 22 and the digits are in order from the least to greatest. What are the three digits of her license plate?
Answer
Last Digits=5, 8, and 9. (5x8)x9= 360. 5+8+9= 22.Hide Answer Show Answer
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Comments
easy but fun - i just started with a factor of "9" & it fell into place. nice job.
The question/the answer doesn't firmly require/present the order of the digits. Give Allison a three digit vanity plate, tell us it is the smallest (or change to something snappier like second smallest or fourth largest) number formed by the digits involved, and ask what the license plate is.
Very simple but still pretty fun. Nice job!
This is the only possible answer, so the second part of the teaser is really not necessary (that the sum is 22).
Cute math teaser! I have to agree with stm8r1. Even if you try to use the same number twice, it is impossible to come up with a different answer (using only single digit numbers).
I liked it. It was nice and easy
I'm with you Gebbie, I started with 9 and then it took only a couple of seconds from there. ^_^
Nice and easy.
I also wondered about the 22 clue since 5, 8, 9 is the only way to combine the prime factors of 360 in to single-digit numbers. That clue was unnecessary.
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