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 Random Puzzles Puzzle 1 Can you Find a number... ...whose double exceeds its quarter by 7. [Ref: ZHRW] © Kevin Stone Direct Link: www.brainbashers.com?ZHRW Hint: The number is less than 100. Answer: 4. Whose double is 8 and quarter is 1.If the missing number is N, then:   2N = N + 7        -        4 Multiply throughout by 4:   8N = N + 28 Subtract N from both sides:   7N = 28 Divide throughout by 7:    N = 4 Puzzle 2 From 6, 5, 2, 3 grows an oak. I 6, 8, 9, I 6, 8, 9, I 6, 8, 9, it's no joke. 7, 5, 1 rhymes with you. 4, 2, 1 rhymes too! What am I? [Ref: ZIAO] © Kevin Stone Direct Link: www.brainbashers.com?ZIAO Hint: What 4-letter word does an oak grow from? Answer: Wednesday. Seed, say, dew, new. Each line in the poem indicates which letter of the answer is being used. Therefore '7, 5, 1 rhymes with you' could be read 'd, e, w rhymes with you'. Puzzle 3 After a day picking strawberries I had a basket full. I ate 5 and gave Alex half of the remaining. I then ate another 3 and gave Blake one third of the remaining. I ate another 6 and then gave Charlie two thirds of the remaining. I now had 34 strawberries left. How many did I start with? [Ref: ZXGG] © Kevin Stone Direct Link: www.brainbashers.com?ZXGG Hint: What fraction of the did I eat? Answer: 335 strawberries. Working backwards... I ended up with 34 strawberries, so I had 102 before giving Charlie two thirds. I ate 6 myself, so I had 108 before I ate those. I had 108 strawberries, so I had 162 before giving Blake one third. I ate 3 myself, so I had 165 before I ate those. I had 165 strawberries, so I had 330 before giving Alex one half. Ate 5 myself, so I had 335 before I ate those. Therefore I started with 335 strawberries. Puzzle 4 If four kittens can catch four mice in four minutes... ...how many mice can twelve kittens catch in twelve minutes? [Ref: ZLCG] © Kevin Stone Direct Link: www.brainbashers.com?ZLCG Hint: How many mice can one kitten catch in twelve minutes? Answer: 36.    Four kittens can catch four mice in four minutes, so    one kitten can catch one mouse in four minutes, so    one kitten can catch three mice in twelve minutes, so    twelve kittens can catch 36 mice in twelve minutes.

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