Question

Andrew chooses three different numbers.

- Exactly one of the numbers is a square number.
The other two numbers are factors of 18.
The sum of the three numbers is 36.
d the three numbers chosen by Andrew.
ite the numbers in ascending order.

Answer 1

2, 16, 18.

Explanation:

The first number might be 4 , 9, 16 or 25.

The other 2 numbers are factors of 18 so could be:

2, 3, 6, 9 or 18.

If square no. = 4 then sum of other 2 = 32 but no 2 numbers will fit the required result.

If it is 9, the sum = 27 then 9 and 18 will fit but that makes 2 square numbers so this is not the answer.

If square no. = 16, the sum of other 2 is 20. 2 and 18 will fit this.

Answer 2

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