The fourth term of an Arithmetic Progression (A.P) is 37 ...
The fourth term of an Arithmetic Progression (A.P) is 37 and the first term is -20. Find the common difference.
3
57
19
17
Correct answer is C
a + 3d = 37
-20 + 3d = 37
3d = 37 + 20 = 57
d = 573
= 19
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