The mean of 50 observations was 36. It was found later that an observation 48 was wrongly taken as 23. The corrected new mean is___________?

Related Mcqs:

The average age of three boys is 15 years and their ages are in proportion 3:5:7. What is the age in years of the youngest boy?

A. 15 B. 9 C. 18 D. 21...

The average amount with a group of seven numbers is Rs. 20. If the newly joined member has Rs. 50 with him, what was the average amount with the group before his joining the group?

A. Rs. 25 B. Rs. 18 C. Rs. 15 D. Rs. 22...

In an exam, Amir scored 64 percent, Masood scored 36 percent and asif 44 percent. The maximum score awarded in the exam is 800. Find the average mark scored by all the three boys?

A. 384 B. 364 C. 324 D. 404...

The average of five numbers is 27. If one number is excluded, the average becomes 25. The excluded number is__________?

A. 25 B. 27 C. 30 D. 35...

The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average of the team?

A. 23 years B. 24 years C. 25 years D. None of these...