50g flour = roughly half a cup.
50g of chocolate = 1.8 ounces there are 8 ounces in every 1 cupso1.8 ounces / 8 ounces = .225 cupswhich is a little less than a quarter of a cup, so look for a measuring cup that says 1/4 on it and...
it really depends on what the cups are measured by. for instance, in a 20mL cup, you can put 2 10mL cups of liquid in it.
3 Three
Four, just like four quarters of anything make a whole.