MathematicsProgressionsJAMB
Find the sum of the first 10 terms of the arithmetic progression 4, 7, 10, …
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Answer: D. 175
S₁₀ = 10/2 × (2 × 4 + 9 × 3) = 5 × 35 = 175.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.