Question

mean of 10 value is 20,and mean of 11values is22,find the elevan value​

Answer 1

Answer:

a1+a2+.........+a10=20.........eq2

a1+a2+.........+a11=22.......let it be eq1

Now in eq1 put eq2

20+a11=22

a11=22-20=2

Answer 2

Answer:

42

Step-by-step explanation:

Mean value of 10 terms is 20.

So, sum of them will be 10*20 = 200

Mean value of 11 terms is 22.

So, sum of them will be 11*22 = 242

So, 11th term would be 242 - 200 = 42

Thank you.