How many 1/4 litre pack of juice can be filled from a mug of 3 litre?

A lenght of rope 21 meters is cut into shorter pieces, each of a length of 2 1/3 meter. How many shorter pieces are obtained ?

How many slices of cakes are there if 4 cakes are cut into eighths ?

Andy gave 2/5 of his stamps to Michelle. If Michelle got 6 stamps, how many stamps did Andy have at frist ?

Agnes ate 1/3 of her pizza for breakfast/ and 1/4 of the remainder for lunch. What fraction of the pizza was left ?

Jean walked 1/5 of the distance to the mall, and took a bus for the remainder of the journey? If she travelled 16 km by bus, how many kilometers did she walk?

Two - sevenths of the number of tomatoes in a bag were rotten. If there were 42 rotten tomatoes, how many tomatoes were good ?