Puzzle 361
What day would tomorrow be if …
… yesterday was five days before the day after Sunday's tomorrow?
Puzzle Copyright © Kevin Stone
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Hint
Try working backwards.
Answer
Saturday.
Reasoning
It's best to work backwards:
"Sunday's tomorrow"
is Monday.
"the day after Sunday's tomorrow"
is therefore Tuesday.
"five days before the day after Sunday's tomorrow"
is therefore Thursday.
"yesterday was five days before the day after Sunday's tomorrow"
yesterday was Thursday, making today Friday. Therefore tomorrow is Saturday.
Puzzle 362
I have a jar of sweets that contains 114 red, 35 blue, 67 green, and 9 yellow.
What chance do I have of picking a yellow sweet with my eyes shut?
Puzzle Copyright © Kevin Stone
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Hint
How many yellow sweets are there, and how many sweets in total?
Answer
9 in 225 = 1 in 25 = 4 percent.
Reasoning
In total, there are 114 + 35 + 67 + 9 = 225 sweets.
There are 9 yellow sweets, so the probability is 9 ÷ 225 = 0.04 = 4% = 1 in 25.
Puzzle 363
Below is a grid which should contain boy's names. The missing letters for a particular column are listed at the top of that column. Can you 'drop' the missing letters in and complete the grid?
Puzzle Copyright © Kevin Stone
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Hint
The first missing name is Adam.
Answer
Puzzle 364
I was travelling from Chesterton to Newcastle recently when I came across a sign which had fallen off its post at the crossroads.
It was marked to Newcastle, Chesterton, Knutton and Silverdale.
Unfortunately I didn't know which road to take to Newcastle and had hoped the sign would help.
Luckily I had a brainwave which helped me put the sign back pointing correctly to Newcastle.
What was my idea?
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Hint
How many different ways could the sign be placed back?
Answer
I simply pointed Chesterton back the way I had come and this left the sign in its correct orientation.
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