Boys v/s Girls Competition

In a class there are 30 boys and 18 girls. The teacher wants to select one boy and one girls. The teacher wants to select one boy and one girls to represent the class for a quliz competition. In how many ways can the teacher make this selection ?

Answer the questions based on the information given below: The given cascade bar graph provides the information about the number of girls and boys participated in a dance competition of NH Goel school on five different days of a week and the table give the details about the percentage of students participated on different days who lost the competition. Total number of students participated in a day = Number of girls participated in a day + Number of boys participated in a day Total number of students participated = Total number of students who lost the competition participated + Total number of students who won the competition participated Find the ratio of the number of students who lost the competition on Tuesday to the number of students who won the competition on Wednesday.

Out of 8 outstanding students of school, in which there are 3 boys and 5 girls, a team of 4 students is to be selected for a quiz competition. Find the probability that 2 boys and 2 girls are selected.

In a class there are 12 boys and 7 girls. The teacher wants to select either a boy or a girl to represent the class in a competition. In how many ways can the teacher make this selection.

In a class tghere are 20 boys and 15 girls. In how many ways can the techer select one boy and one girl from amongst the students of the class to represent the schoo,l in a quiz competition?

From a class of 12 boys and 10 girls,10 students are to be chosen for a competition; at leastincluding 4 boys and 4 girls.The 2 girls who won the prizes last year should be included.In how many ways can the selection be made?

From a class of 14 boys and 10 girls, 10 students are to be chosen for a competition, at least including 4 boys and 4 girls. The 2 girls who won the prizes last year should be included. In how many ways can the selection be made?

Six boys and six girls sit in a row randomly. Find the probability that (i) the six girls sit together,(ii) the boys and girls sit alternately.