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Maths Sequences and Series Class 11 MCQ and Assertion Questions

10 Question MCQ (including Assertion) · Class 11 · Maths · CBSE

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Chapter 8 Class 11 Sequences and Series | 10 questions | about 8 minutes

Practise Sequences and Series Class 11 with Teachoo's 10 Question MCQ (including Assertion) (Class 11 · Maths · CBSE). Practise these questions in a free interactive quiz with answer feedback.

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Question 1 of 10
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Question 1 of 10
Insert two numbers between 3 and 81 so that the resulting sequence is a G.P. The positive numbers are:
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Question 2 of 10

A lighting display has \(32\) bulbs in its first row. Every succeeding row contains \(50\%\) more bulbs than the preceding row. According to this pattern, the sixth row contains

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Question 3 of 10
If the sequence \(a_n\) is defined by \(a_1 = -1\) and \(a_n = \frac{a_{n-1}}{n}\) for \(n \ge 2\), what is \(a_4\)?
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Question 4 of 10
A geometric mean of two numbers is 6, and their arithmetic mean is \(6.5\). The positive difference between the two numbers is:
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Question 5 of 10

If \(a_n=(-1)^{n-1}n^2\), then \(a_6\) is

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Question 6 of 10
In a geometric series \(a, ar, ar^2, \dots\), the sum of the first two terms is 4 and the fifth term is 4 times the third term. What is a possible value for the first term 'a'?
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Question 7 of 10

A radioactive sample has a mass of \(640\) mg and its mass becomes half every \(6\) hours. Its mass after \(30\) hours is

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Question 8 of 10

Which of the following sequences is a geometric progression?

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Question 9 of 10
If the \(p^{th}\), \(q^{th}\) and \(r^{th}\) terms of a G.P. are \(a, b,\) and \(c\) respectively, then the value of \(a^{q-r} b^{r-p} c^{p-q}\) is:
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Question 10 of 10

A student saves ₹\(100\) in the first month and doubles the amount saved every following month. The total amount saved in \(8\) months is

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This 10 Question MCQ (including Assertion) covers Sequences and Series Class 11 for Class 11 · Maths · CBSE. Practise the questions in the interactive quiz and check your answers.

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