If $A = 3\hat i + 4\hat j$ and $B = 7\hat i + 24\hat j,$the vector having the same magnitude as $B$ and parallel to $A$ is

$5\hat i + 20\hat j$

$15\hat i + 10\hat j$

$20\hat i + 15\hat j$

$15\hat i + 20\hat j$

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