How many terms are there in the sequence 5, 10, 15, …, 200?
A38
B39
C40
D41
Explanation
Arithmetic sequence with a = 5, d = 5, l = 200. l = a + (n-1)d => 200 = 5 + (n-1)*5 => 195 = 5(n-1) => n – 1 = 39 => n = 40.
Exam Relevance
- Topic: Number System
- Subtopic: Arithmetic Progressions

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