# There were five people in group A, with a mean lQ of 100, and five in group B, with a mean IQ of 74. When Jack left group A for group B, both means increased, and the total of the two new means was 180. What Is Jack's IQ?

Jack's IQ is

After, leaving the group by Jack, the new mean for the group A is

Enjoy maths.!

By signing up, you agree to our Terms of Service and Privacy Policy

- There are 11 qualified applicants for 7 trainee positions in a fast-food management program. How many different groups of trainees can be selected?
- There are 9 students in a club. Three students are to be chosen to be on the entertainment committee. In how many ways can this group be chosen?
- A garden store recently sold 511 seed packets, including 146 pepper seed packets. What is the experimental probability that the next seed packet sold will be a pepper seed packet?
- 20 people shake hands with each other. How many handshakes will be there in total?
- How to find calculate this?

- 98% accuracy study help
- Covers math, physics, chemistry, biology, and more
- Step-by-step, in-depth guides
- Readily available 24/7