What level? Ordinary or Higher? I'm guessing it's Higher so here's the recommended timing for Higher History.
Pictures: 10-15 mins
Documents: 15-20 mins
Short Answer Questions: 10-15 mins
People in History: 40 mins (20 mins per people in history)
Sources: 25 mins
Q6: 40 mins
You will then have 10 mins to look over your work