Que : 2 . Let f: X → Z and g is one-to-one and onto. Which of the following is not true ?
If f is one-to-one then h is one-to-one and onto
If f is not onto then h is not onto
If f is not one-to-one then h is not one-to-one
If f is one-to-one then h is one-to-one
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Update: 25-Feb-2020 / 1:03 PM