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  1. If the ordinate and abscissa of the point (k, 2k –1) be equal, then the value of k is
    1. 0
    2. – 1
    3. 1
    4. 1/2
Correct Option: C

Abscissa = k,
Ordinate = 2k –1
According to the question,
k = 2k – 1 ⇒ 2k – k = 1 ⇒ k = 1


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