Teachoo Quiz

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Preparing for CBSE

Chapter 8 - Predicting What Comes Next: Exploring Sequences & Progress | 5 questions | about 4 minutes

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Question 1 of 5
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Question 1 of 5
Which term of the AP \(21,18,15,\ldots\) is \(-81\)?
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Question 2 of 5
Which recursive rule generates the AP \(\dfrac12,\dfrac52,\dfrac92,\dfrac{13}{2},\ldots\)?
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Question 3 of 5
In the sequence \(t_n=3n-7\), which term is equal to \(332\)?
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Question 4 of 5
A GP is defined recursively by \(t_1=3\) and \(t_n=10t_{n-1}\) for \(n\ge2\). What is \(t_5\)?
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Question 5 of 5
A Sierpiński square carpet begins with \(1\) red square at Stage \(0\). At each stage, every red square is replaced by \(8\) smaller red squares. How many red squares are present at Stage \(4\)?
Early stages of a Sierpiński square carpetStage zero is a solid square. Stage one has the centre ninth removed. Stage two repeats the removal in each retained square.Stage 0Stage 1Stage 2
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