CBSE Class 9 c9sequencebasics — practice questions
12 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 9 c9sequencebasics in the app →Per NCERT Class 9 Math, what is a SEQUENCE?Per NCERT, the sequence 1, 3, 6, 10, 15, 21, ... is called what?Per NCERT, the sequence 1, 4, 9, 16, 25, 36, ... consists of which numbers?Per NCERT, the difference between consecutive SQUARE numbers (1, 4, 9, 16, 25, ...) gives which sequence?Per NCERT, what is the EXPLICIT rule of a sequence?Per NCERT, the explicit rule tₙ = 2n − 1 generates which sequence?Per NCERT, what is a RECURSIVE rule for a sequence?Per NCERT, what is the next term after 1, 4, 7, 10, 13 — using the recursive rule tₙ = tₙ₋₁ + 3?Per NCERT, the VIRAHĀNKA-FIBONACCI sequence is defined by V₁ = 1, V₂ = 2, Vₙ = Vₙ₋₁ + Vₙ₋₂. What are the firstPer NCERT, who first explicitly wrote down and studied the Virahānka-Fibonacci sequence — and in what context?Per NCERT, what does the notation tₙ in a sequence represent?Per NCERT, to check if a given number 137 is a term of the odd-number sequence (explicit rule uₙ = 2n − 1), we