Math, asked by aa2547346, 1 year ago

the average of forty five number is 9 . the average of the first twenty is 10 and the average of the last twenty four is 8. find the 21st number?

Answers

Answered by Harshag18

1

Answer:

13

Step-by-step explanation:

Hope this helps!

Attachments:

Previous Question

Next Question

Similar questions

Science, 7 months ago

solutions of slash and burn agriculture class 9th...

Political Science, 7 months ago

Who is the next prime minister of India? a)Narendra Modi b)Rahul Gandhi c)Mamatha Banerji d)Amith Shah ...

English, 7 months ago

சுதந்திர இந்தியாவின் மகத்தான் சாதனையும் சவாலுமாக ஜெயகாந்தன் கருதுவது ...

CBSE BOARD X, 1 year ago

How many marks should we get in sst pre board to get humanities stream in class 11th? [CBSE] ...

Science, 1 year ago

what are the common symptoms of vitamin B12...

Computer Science, 1 year ago

write a program that generates the following output 5 10 and 9...

English, 1 year ago

Make a story from given words factory, fire, people gathered around.

Math, 1 year ago

present age of father is 42 years and that of his son is 14 year find the ratio of...