प्रतिरोध R = VI जहाँ V = (25 ± 0.4) V और I = (200 ± 3) A है। R में प्रतिशत त्रुटि लगभग है:

If the percentage error in an estimate is (+) 2% and the estimated value is ₹500, what is the actual value?

If the maximum and minimum temperatures at a place on a certain day are measured as 44°C ± 0.5°C and 22°C ± 0.5°C respectively, then the temperature difference is: