Question

Dave is thinking of a number.

The number is:
• greater than 200
• less than 300
a square number
a multiple of 5
What number is Dave thinking
of?
12pt v
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Answer 1

The number that Dave may be thinking of is 225.

We can agree that 200 < 225 < 300

225 is also a perfect square as 15 x 15 does equal 225

Additionally, 225 is divisible by 5... 225/5=45