The correct option is A 1.5 litre
To add 500 ml and 1 litre, they should be in the same unit..
We know that 1000 ml = 1 L.
∴500 ml=5001000 L=0.5 L
Now, adding 0.5 litre to 1 litre, we get the volume of juice to be 1.5 litres.
1 L = 1000 ml
Thus, 1.5 litres is equal to 1.5 x 1000 ml = 1500 ml.