Well, your question does not specify where the table has been created so I'll assume it is the commonly used MS Word. In case, its a HTML or SQL table, please specify that.
If the table is made in MS Word, then Zubair just needs to place the cursor at the starting point of the row and click once. When the I-beam pointer is there, he should double click and without giving a break to the click, he needs to drag the pointer towards the other side of the table across the row to select whatever data he wants to select and change.
Answer:
Move the mouse pointer to the blank space at the left of the desired row
Explanation:
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