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Class 9 Mathematics

Class 9 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsIf (a=5) and (d=2), what is the third term of the arithmetic progression?Class 9Sequences and ProgressionsArithmetic ProgressionLevel 53Easy MathematicsWhy is the sequence (1,4,9,16,\ldots) not an arithmetic progression?Class 9Sequences and ProgressionsArithmetic ProgressionLevel 53Easy MathematicsIf an arithmetic progression has first term (4) and common difference (6), what is the second term?Class 9Sequences and ProgressionsArithmetic ProgressionLevel 53Easy MathematicsWhat is the common difference in the sequence (2,5,8,11,\ldots)?Class 9Sequences and ProgressionsArithmetic ProgressionLevel 53Easy MathematicsIf \(a_n=\frac{n(3n+5)}{2}\), what is the value of \(a_8\)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Expert MathematicsWhich explicit rule is correct for the sequence (8,20,42,80,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Expert MathematicsIf \(a_n=\frac{n(5n-1)}{2}\), what is the value of \(a_6\)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Expert MathematicsIf (a_n=n^4-n^2), what is the value of (a_3)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Expert MathematicsWhat is the general term of the sequence (4,22,66,148,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Expert MathematicsIf (a_n=n^3+3n^2-2), what is the value of (a_4)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Expert MathematicsIf (a_n=4n^2+5n-6), what is the value of (a_3+a_5)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Expert MathematicsWhich general term is correct for the sequence (3,8,17,32,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Expert MathematicsIf (a_n=150-11n), what is the value of (a_7)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Expert MathematicsWhich explicit rule is correct for the sequence (1,16,49,100,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Expert MathematicsIf (a_n=(3n-2)^2), what is the value of (a_4)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Expert MathematicsWhich sequence has a constant first difference between consecutive terms and is therefore called an arithmetic progression (AP)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Expert MathematicsWhich explicit rule is correct for the sequence (7,24,51,88,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Expert MathematicsIf aₙ = n² + qn + 4 and a₅ = 54, what is the value of q?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Medium MathematicsWhich explicit rule is correct for the sequence (5,10,21,44,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 47Expert MathematicsIf \(a_n=\frac{2n^2+5n}{3}\), what is the value of \(a_6\)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 47Expert