There are 30 people in a group. If all shake hands with one another , how many handshakes are possible?

Permutations and Combinations 13/05/2021

A. 870
B. 435
C. 30!
D. 29! + 1

Related Mcqs:

    In how many ways can live boys and three girls sit in a row such that all boys sit together?
    A. 4800 B. 5760 C. 2880 D. 15000...
    A student has to opt for 2 subjects out of 5 subjects for a course. Namely commerce, economics, statistics, mathematics 1 and Mathematics 2, Mathematics 2 can be offered only if mathematics 1 has also opted. The number of different combinations of two subjects which can be opted is_________?
    A. 5 B. 6 C. 7 D. 18...
    A person ordered 5 pairs of black socks and some pairs of brown socks. The price of a black pair was thrice that of a brown pair while preparing the bill the bill clerk inter-changed the number of black and brown pairs by mistake which increased the bill by 100% what was the number of pair of brown socks in the original order?
    A. 10 B. 15 C. 20 D. 25...
    How many three letter words are formed using the letters of the word TIME?
    A. 12 B. 20 C. 16 D. 24...
    What are the number of ways to select 3 men and 2 women such that one man and one woman are always selected?
    A. 100 B. 60 C. 30 D. 20...

Leave a Reply

Your email address will not be published. Required fields are marked *