patterns

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lawebb

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120, 105, 90, 80, 75, 60, 45 which number does not belong How would i found out which number does not belong?
 
lawebb said:
120, 105, 90, 80, 75, 60, 45 which number does not belong How would i found out which number does not belong?
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One of the method of solutions would be to factorize the numbers.
 
lawebb said:
120, 105, 90, 80, 75, 60, 45 which number does not belong How would i found out which number does not belong?
Click to expand...
What happens if we leave out 80?
Can you explain the logic of the pattern \(\displaystyle 120,~105,~90,~75,~60,\cdots\)
 
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