CAT 2017 Slot 2 QA Q29 Permutations & Probability

Question 29 of the Quantitative Ability (QA) section, CAT 2017 Slot 2, with CAT's official answer.

In how many ways can 8 identical pens be distributed among Amal, Bimal, and Kamal so that Amal gets at least 1 pen, Bimal gets at least 2 pens, and Kamal gets at least 3 pens? [TITA]

TITA: type in the answer. There are no options and no negative marking.

Answer: 6 Permutations & Probability TITA

A worked solution for this question is being written. Meanwhile, practise it in a timed mock and see how other aspirants did.