Larry N. Campbell

Pesky Puzzler 24.4 – 3/4/24

1.  How many natural numbers are between the square roots of 8 & 80?

2. What’s the largest three-digit number divisible by both 7 & 9?

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BONUS:  How many nonzero perfect squares can be displayed on an eight-digit calculator?

Comments

One response to “Pesky Puzzler 24.4 – 3/4/24”

  1. Frank Green

    There are five natural numbers between the square root of 8 and the square foot of 80: 3,4,5,6,and 7.

    The largest 3-digit number divisible by both 7 and 9 is 945.