Arithmetic Aptitudes › Average › Question #4569
Single Choice Not Set

QWhat is the mean of all prime numbers that are within the range of 30 and 50, inclusive?

ID: #4569 Average 236 views
Question Info
#4569Q ID
Not SetDifficulty
AverageTopic
Start Quiz on This Topic
 Your Answer

Choose the Best Option

Click any option to instantly check if you're correct.

  • A 38 ✔ ✖
  • B 39.8 ✔ ✖
  • C 42.5 ✔ ✖
  • D 31.4 ✔ ✖
Correct Answer

Explanation


There are five prime numbers between 30 and 50.
This statement provides information about the quantity and range of prime numbers being considered.

They are 31, 37, 41, 43, and 47.
This list enumerates the prime numbers that fall within the specified range.

Therefore the required average=(31+37+41+43+47)5=1995 =39.8
 Continue Practice
Previous Question Next Question
 Share

Share This Question

Challenge a friend or share with your study group.

 More from This Topic

Related MCQ Questions

If the average of Sohan's marks in six subjects is 74 and his average in five subjects excluding science is 70 What is the corrected mean of 40 observations, given an initial mean of 46, when it is discovered that one of The average age of a group of 30 boys is 16 years, and a boy of age 19 leaves the group. A new boy joins the g The average of odd numbers upto 100 is___ The average of the first nine prime numbers is The average salary of workers of a factory is RS6000,while the average salary of technicians is RS12000 and th 13 chairs and 5 tables were bought for rs 8280.If the average cost of a table be rs.1227.What is the average c The average score of girls in class X examination in a school is 73 and that of boys is 71.The average score i 2 years ago, the average age of a family of 5 members was 16 years. After a baby is born, the average age of f The average of five numbers is 58.Yhr average of the first two numbers is 48.5 and the average of last two num