Answer
$$55 \ \Omega.$$
Work Step by Step
The needle is on the first graduation to the right of 50. Each subdivision is 5$\Omega$. Therefore, the reading is
$$50 \ \Omega+5\cdot 1 \ \Omega=55 \ \Omega.$$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.