Apu took 3/5 of the marbles kept in a box. His younger took another 3/5 of the remaining marbles. Then his sister took anothe...

Answer:

8/125

Apu took 3/5 of the marbles kept in a box. His younger took another 3/5 of the remaining marbles. Then his sister took another 3/5 of remaining marbles. What fraction of the marbles are left in the box?