Brain Teasers 15 – 9

1.  How are the following numbers arranged?    2   3   6   7   1   9   4   5   8
2.  What’s the fewest amount of coins needed to pay for anything that might be priced less than a dollar?  (1 cent to   99 cents.)
3.  (A long time ago!) a man went into the post office clerk, and – offering a dollar – said, “Give me some 2-cent stamps, ten times as many 1-cent stamps, and the balance in 5-cent stamps.”  How can the clerk meet this request?
4.  MINI-CHALLENGES (Recognition – and PRIZES! –  given for ANY of these answers!).  The fraction below uses all the non-zero digits from 1 – 9 and is equal to 1/2.  Can you rearrange these digits and get fractions equal to 1/3, 1/4, 1/5, 1/6, 1/7, 1/8, 1/9?

6729 / 13458


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Reminder:  Official deadline for submissions (at least for recognition next week) is noon on Thursday 6/18.  (Later submissions sometimes accepted, if Answer Page hasn’t been prepared, but no promises.)

2 thoughts on “Brain Teasers 15 – 9

  1. When the Beatles came to the U.S. early on, they were involved in frequent interviews. In one of these, Ringo was asked, “Are any of the Beatles ambidextrous?” His answer was, “No, we’re just good friends.”
    Mike

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