If -8, m, n, 19 are in arithmetic progression, find (m, n)
-
A.
1, 10 -
B.
2, 10 -
C.
3, 13 -
D.
4, 16
Correct Answer: Option A
Explanation
-8, m, n, 19 = m + 8
= 19 – n
m + n = 11
i.e. 1, 10
-8, m, n, 19 = m + 8
= 19 – n
m + n = 11
i.e. 1, 10