In a class there are 20 boys and 25 girls. In how many ways can a boy and a girl be selected?

Permutations and Combinations 27/09/2021

A. 400
B. 500
C. 600
D. 20

Explanation:

We can select one boy from 20 boys in 20 ways.

We select one girl from 25 girls in 25 ways
We select a boy and girl in 20 * 25 ways i.e., = 500 ways.

Related Mcqs:

    A group consists of 4 men, 6 women and 5 children. In how many ways can 3 men, 2 women and 3 children selected from the given group?
    A. 300 B. 450 C. 600 D. 750...
    A group of 10 representatives is to be selected out of 12 seniors and 10 juniors. In how many different ways can the group be selected, if it should have 5 seniors and 5 juniors?
    A. ¹²C₅ * 10 B. ¹²C₇ * 10 C. ¹²C₇ * ¹⁰C₅ D. 12 * ¹⁰C₅...
    Twelve people from a club, by picking lots. One of them will host a dinner for all once in a month. The number of dinners a particular member has to host in one year is________?
    A. One B. Zero C. Three D. Cannot be determined...
    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...
    The number of arrangements that can be made with the letters of the word MEADOWS so that the vowels occupy the even places?
    A. 720 B. 144 C. 120 D. 36...

Leave a Reply

Your email address will not be published.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