question 15

what is the next number in the series?

83 76 69 62 55 48 ?

41
42
39
90
48
none of these

Question

question 15

what is the next number in the series?

83 76 69 62 55 48 ?

41
42
39
90
48
none of these

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "multiple_choice_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Number Series" ], "new_concepts": [], "current_concepts": [ "Number Series", "Arithmetic Progressions" ] } ## Analyze the differences between consecutive terms $$ \begin{aligned} 76 - 83 &= -7 \ 69 - 76 &= -7 \ 62 - 69 &= -7 \ 55 - 62 &= -7 \ 48 - 55 &= -7 \end{aligned} $$ ## Calculate the next term in the series $$ 48 - 7 = 41 $$

41

42

39

90

48

none of these

{ "subject": "Mathematics", "question_type": "Multiple Choice", "knowledge_point": [ "Mathematics", "Algebra", "Arithmetic Progressions" ] }

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Question

Explanation:

Analyze the differences between consecutive terms

Calculate the next term in the series

Answer: