umd math competition

From a class of 32 students, 4 are to be chosen for a competition. In how many ways can this be don..

Question: Twelve students are participating in a competition. In how many ways can the first 3 prizes be won? Answer: Number of students participating in the competition = 12 The number of ways in which the first three prizes can be won = P (12,3) = 12 x 11 x 10 = 13..

Question: From a class of 12 boys and 10 girls, 10 students are to be chosen for a competition, including atleast 4 boys and 4 girls. 2 girls who won prizes last year should be included. In how many ways the selection can be made? Answer: There are 12 boys and 10 girls in the ..

Andrew won 9 out of 18 competitions. What percent of the competitions did he win? => 60% or 50% or 55% or 58%..

Nina has been winning the singing competition for the past three years. Predict whether she would be a winner this year. => No or Yes..

In a quiz competition, Harry was given one minute to answer each question. Which of the following is equivalent to one minute? => 50 seconds or 20 seconds or 60 seconds or 10 seconds..

The line graph shows the number of students from different grades, who participated in a music competition. Find the total number of 9 th and 6 th grade students, who participated in the music competition. => 15 or 10 or 50 or 0..

All the eight members participating in a competition were boys. If their coach chooses one of them, then, choosing a boy is _________ event. => a certain or a possible or an impossible or none of these..

The age (in years) of people participating in a swimming competition are 28, 26, 22, 30, and 24. Find the median of the data. => 27 years or 22 years or 30 years or 26 years..

In a food competition, Jason ate 21 pizzas, Wilson ate 8 pizzas , and Tyson ate 12 pizzas. Which pictograph represents the data correctly? => Graph 3 or Graph 4 or Graph 1 or Graph 2..