In above question which ammeter will you prefer?

You are given four ammeters A, B, C and D having the least counts mentioned below : Which of the ammeters would you prefer for doing an experiment to determine the equivalent resistance of two resistance most accurately, when connected in parallel?

In the above question, the reading of ammeter is 40/x A . What is the value of x ?

If you went to Telangana region, which fruits you prefer to buy there?

Can you answer above question using concepts of refraction through lenses ?

In the above question, if the internal resistance of the battery is 1 ohm , then what is the reading of ammeter