CAT Exam

What is the total number of ways of selecting twenty balls from an infinite number of blue, green and
yellow balls?
(a) 320 (b) 203 (c) 231 (d) 1771

Read Solution (Total 1)

20+3-1C3-1=22c2=231
10 years agoHelpfull: Yes(0) No(1)

CAT Other Question

After the elections, a firm conducted exit polls. Exactly 2% of the male voters said they had voted for candidate A, while exactly 59% of the female voters said they had voted for candidate A. If in total, exactly 17% of the people said they had voted for the Candidate. What is the minimum number of people who were surveyed?
OPTIONS

1) 17
2) 19
3) 323
4) 1700
5) 1900

Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed?

A. 210 B. 1050
C. 25200 D. 21400
E. None of these