Question
Choose the number which is different from others in the
group.Solution
The given numbers are 25, 36, 78, and 14. 
 Therefore, 78 is the number that is different from the others in the group, as it is not a perfect square, while the others are perfect squares.
Three numbers are in the ratio 3:5:6. If the sum of their squares is 630, then the numbers are:
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