If the 10th term of an arithmetic progression series is 34 and the difference between any two consecutive terms is 3, then find the first term of the series.
A16
B10
C7 ✓ Correct
D13
Correct answer: (C) 7
Explanation
The first term is 7.
10th term: a + 9d = 34.
Common difference d = 3.
a + 27 = 34.
a = 7.
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