other govt exam FCI Assistant Grade 3 (AG III) Phase I & II Mock Test Quantitative Aptitude Probability
A box contains 50 marbles of different colours i.e. purple, pink and blue. Find the number of pink marbles in the box, if probability of picking purple marble is 3/5 and that of either a purple or pink marble is 4/5.
1
6
2
8
3
5
4
10
5
None of these