Ki-Woo suddenly snatches Da-Hae’s wrist, shocking both Da-Hae and her mom. He presses his thumb gently and feels her pulse like doctor. 17. KI-WOO If this was a real test and number 14 was the first question, you would’ve been in trouble from the start. He presses harder....
The bag has five red balls and three blue balls. What color has more balls? A. Red B. Blue C. They are the same D. Not sure 相关知识点: 试题来源: 解析 A。解析:five red balls(五个红色的球),three blue balls(三个蓝色的球),红色球的数量多于蓝色球,所以选 A。
百度试题 结果1 题目A bag contains 4 red balls, 2 green balls and 3 blue balls. A ball is drawn and not replaced. A second ball is drawn. Find the probability of drawing: One green ball and one red ball. 相关知识点: 试题来源: 解析 29 ...
【题目】14 A bag contains 4 red balls, 2 white balls, 1 yellow ball and some blue balls. They areidentical except for the colour. Xiao Ming thinks that since there are 4 different colours ofballs in the bag, when a ball i randomly picked from it, the chance of getting a red ball,...
A bag has bb black balls and ww white balls. balls of the same color are indistinguishable. Assume that n≤bn≤b,n≤wn≤wzk=zk= the number of ways in which nn balls can be drawn randomly, without replacement from this bag containing bb black balls and ww white balls...
A bag contains red and blue balls. The ratio of red balls to blue balls is 3:5. If there are 24 red balls, how many blue balls are there? A. 40 B. 30 C. 20 D. 10 相关知识点: 试题来源: 解析 A。解析:设蓝球有 x 个,24:x = 3:5,3x = 120,解得 x = 40。
A bag contains red and blue balls. The ratio of red balls to blue balls is 2:3. If there are 12 red balls, how many blue balls are there? A. 18 B. 16 C. 20 D. 24 相关知识点: 试题来源: 解析 A。本题与第 26 题类似,根据比例关系求解。设蓝色球数量为 x,2:3=12:x,交叉相乘...
A bag contains 5 red balls and 3 blue balls. The probability of drawing a red ball at random is ___. A. 3/8 B. 5/8 C. 3/5 D. 5/3 相关知识点: 试题来源: 解析 B。袋子里一共有 8 个球,其中 5 个是红球,随机抽取一个球是红球的概率就是红球的数量除以总球数,即 5/8。选项...
总下名光他总下名光他A bag contains red and blue balls. The ratio of red balls to blue balls is
A bag contains 5 red balls and 3 blue balls. If a ball is randomly drawn, what is the probability of getting a red ball? A. 3/8 B. 5/8 C. 3/5 D. 5/3 相关知识点: 试题来源: 解析 B。本题考查概率的计算。袋中共有 8 个球,其中 5 个红球,随机抽取一个球,抽到红球的概率为...