### Brain Teasers

# Mad Ade's Fridge

Mad Ade says to Rod Lightning, "Can you figure out how many Kebabs I have in my fridge?" He gives 3 clues to Rod Lightning: If the number of Kebabs I have:-

1, is a multiple of 5, it is a number between 1 and 19.

2, is not a multiple of 8, it is a number between 20 and 29.

3, is not a multiple of 10, it is a number between 30 and 39.

How many Kebabs does Mad Ade have in his fridge?

1, is a multiple of 5, it is a number between 1 and 19.

2, is not a multiple of 8, it is a number between 20 and 29.

3, is not a multiple of 10, it is a number between 30 and 39.

How many Kebabs does Mad Ade have in his fridge?

### Answer

32 Kebabs.Let's apply all 3 conditions separately and put all possible numbers together.

First condition says that if a multiple of 5, then the number is between 1 and 19. Hence, the possible numbers are (5, 10, 15, 21, 22, 23, 24, 26, 27, 28, 29, 31, 32, 33, 34, 36, 37, 38, 39)

Second condition says that if not a multiple of 8, then the number is between 20 and 29. Hence, the possible numbers are (8, 16, 20, 21, 22, 23, 25, 26, 27, 28, 29, 32)

Third condition says that if not a multiple of 10, then the number is between 30 and 39. Hence, the possible numbers are (10, 20, 31, 32, 33, 34, 35, 36, 37, 38, 39)

Only number 32 is there in all 3 result sets. That means that only number 32 satisfies all three conditions. Hence, Mad Ade must have 32 Kebabs in his fridge.

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## Comments

whatever you say

a multiple of 5?

huh

yawn

zzzz.

zzzz.

Surely condition 1 leaves you with the only possible answers being 5 ,10 & 15. Leaving the rest irrelevant

Well, if the first condition says multiples of five between 1-19 then the possibilities would be 5, 10, 15. Second condition says if it is not a multiple of 8, then it should be between 20 and 29. I took it as 20, 21, 22, 23, 24, 25 ,26 ,27 28, 29. Third condition says that if it is not a multiple of 10, it would be between 30 and 39. And I thought the word BETWEEN meant 30,31, 32, 33, 34, 35, 36, 37, 38, and 39. So would you run that by me again how you got those numbers when is said between?????

this doesn't make any sense

I agree, it does not make much sense.

not sure..but maybe meant to say IF a multiple....instead of is

Excellent Teaser, but it is more of a logic problem. It took me awhile, but I solved it. I believe the wording is just fine, by the way.

i got it right

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