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25 of 25
Which of the following is a pure number
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(A) 25
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(B) 31
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(C) 36
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(D) 42
That's Correct!
It's Wrong!
A pure number is a number that does not have any units attached to it, meaning it represents a numerical value only. In this case, all the options are numerical values, but option (B) 31 does not have any units attached to it, making it a pure number.
