Last year there were 3 sections in the Kul Pariksha a mock CAT paper.Out of them 33 students cleared the cut off in section 1 34 students cleared the cut off in section 2 and 32 cleared the cut off in section 3.10 students cleared the cut off in section 1 and 2 9 cleared the cut off in section 2 and 3.8 cleared the cut off in section 1 and 3. The number of people who cleared each section alone was equal and was 21 for each section. 1.How many cleared all the three sections? (a) 6 (b) 7 (c) 5 (d) 3