Math, asked by alkadarhel09, 3 months ago

The mean of three numbers is 10. The mean of four other numbers is 12. Find the mean of all thenumbers

Answers

Answered by Anonymous

1

Answer:

Mean of three numbers = 10

Total of 3 numbers is 10×3=30

Mean of other four numbers = 12

Total of 4 numbers is 4×12=48

Therefore,Total of 4+3=7 numbers is 48+30=78

Mean of 7 numbers is 78/7 = 11.15

Previous Question

Next Question

Similar questions

Math, 1 month ago

please answer the question class 10...

Computer Science, 1 month ago

an arrow symbol in flowchart is used to show...

Math, 1 month ago

a train is going speed on 90 and we take boxes one by one and take all of them what is speed of train?

Math, 3 months ago

Q.3. Write the word reaction for : a) Dilute acetic acid poured over baking soda.

Math, 3 months ago

Harish is twice as old as Indu. Indu is 5 years older than Jack. If Harish's age is (x + 3) years, which of the following represents Jack's age (in years)? A 2(x + 3)-5 B 2(x + 3) + 5 C С ax+ 3) - 5 2 (x + 3) 2 +5...

Social Sciences, 9 months ago

Name the white and hardest substance which cover the teeth...

Math, 9 months ago

If x=a(1+4^2)/1-4^2,y=2bu/1-u^2,prove that x^2/a^2-y^2/b^2=1...

Social Sciences, 9 months ago

Identify the religious movements/new religious ideas of the medival period...