If -8, m, n, 19 are in arithmetic progression, find (m, n)
A
1, 10
B
2, 10
C
3, 13
D
4, 16
Verified Correct Answer: A.
Step-by-Step Mathematical Solution
-8, m, n, 19 = m + 8
= 19 - n
m + n = 11
i.e. 1, 10
Source: Myschool Past Questions Archive (Record #31571)