Question

If 10,m+1,20 are in
A. P, then calculate the value of m.

Answer 1

Answer:

m = 15

Step-by-step explanation:

Answer 2

Answer:

14

Step-by-step explanation:

we know that if a, b and c are in A.P, then 2b = a + c

here a=10, b= m+1, c=20

2(m+1)=10+20

m+1=30/2

m+1=15

m=14

Hope it helps

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