A man with normal near point (25 cm) reads a book with small print using a magnifying glass a thin convex less of focal length 5 cm what are the closest and farthest distance at which he can read the book , When viewing through the magnifying glass?

Question

$\begin{array}{1 1} \text{Closest distance is 4.2 cm ; farthest distance is 5 cm} \\\text{Closest distance is -4.2 cm ; farthest distance is 5 cm} \\ \text{Closest distance is 4.2 cm ; farthest distance is -5 cm} \\ \text{Closest distance is -4.2 cm ; farthest distance is -5 cm}\end{array} $