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Sequences And Progressions

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

MathematicsIf a_n = 2 × 5^(n−1), what is the value of a₄ + a₅?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Medium MathematicsWhat is the value of a₆ + a₇ for the geometric progression (2,6,18,...)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Medium MathematicsIf (a=8), (r=3), and (S_4=320), what is the statement?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Hard MathematicsWhat is the sum of the first (6) terms of the geometric progression (9,27,81,\ldots)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Hard MathematicsWhat is the sum of the first 7 terms of the geometric progression (2,8,32,128,...)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Medium MathematicsIf the sum of the first 4 terms of a geometric progression is 340 with a = 4 and r = 4, what is the statement?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Medium MathematicsFor a geometric progression with (a=9) and (a_5=2304), if (r) is positive, what is (r)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Hard MathematicsWhat is the sum of the first 6 terms of the geometric progression (3, 9, 27, 81, ...)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Medium MathematicsIn a geometric progression, the first term is (5) and the seventh term is (320). If (r) is positive, what is (r)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Hard MathematicsWhat is the twelfth term of the geometric progression (7,14,28,56,...)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Medium MathematicsWhat is a₇ in the geometric progression (1, −3, 9, −27, …)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Medium MathematicsIf a₂ = 20 and a₄ = 80 in a geometric progression, and r is positive, what is a₆?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Medium MathematicsIn the geometric progression (a,ar,ar^2,\ldots), (a_1=9) and (a_4=72). What will be the positive (r)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Expert MathematicsIf a₁ = 1 and r = 4, what is the product of the first 4 terms of the geometric progression?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Medium MathematicsIf a₁ = 6 and r = 3, what is a₆ − a₄?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Medium MathematicsThe consecutive terms of a geometric progression are x, 3x, and 27. What is the positive value of x?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Medium MathematicsIf a₁ = 4 and r = −2 in a geometric progression, what is the sum of the first 5 terms?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Medium MathematicsWhich sequence has a₃ = 50 and common ratio r = 5?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Easy MathematicsIn a geometric progression, a₂ = 15 and a₅ = 405. If r is positive, what is a₁?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Medium MathematicsIf \(a_2=10\) and \(a_6=160\) in a geometric progression, and the common ratio is positive, what is \(a_1\)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Medium