Golden MATHEMATICS CLASS 11>Chapter 9 - Sequence and Series>OBJECTIVE TYPE QUESTIONS>Q 9

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IMPORTANT

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If the geometric mean of $a$ and $b$ is $6$ and the geometric mean of $b$ and $c$ is $12$ , then the ratio of $c$ and $a$ is:

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Important Questions on Sequence and Series

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11th CBSE

IMPORTANT

Golden MATHEMATICS CLASS 11>Chapter 9 - Sequence and Series>OBJECTIVE TYPE QUESTIONS>Q 10

If

\sum n^{3} = 11025

and, then

n \in N

, is equal to

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IMPORTANT

Golden MATHEMATICS CLASS 11>Chapter 9 - Sequence and Series>OBJECTIVE TYPE QUESTIONS>Q 11

The number of positive multiples of

11

less than

3993

is

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IMPORTANT

Golden MATHEMATICS CLASS 11>Chapter 9 - Sequence and Series>OBJECTIVE TYPE QUESTIONS>Q 12

The third term of a

G P

is

2

. The product of first

5

terms is

HARD

11th CBSE

IMPORTANT

Golden MATHEMATICS CLASS 11>Chapter 9 - Sequence and Series>OBJECTIVE TYPE QUESTIONS>Q 13

The sum of the first

7

terms in a series of

10

terms in an arithmetic progression is

28

while the sum of the last seven terms is

49

. What is the sum of all the

10

terms?

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IMPORTANT

Golden MATHEMATICS CLASS 11>Chapter 9 - Sequence and Series>OBJECTIVE TYPE QUESTIONS>Q 14

At Mumbai bus depot there are

1024

buses. Every hour, half the buses depart for different destinations. After how many hours, does the depot have only one bus?

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IMPORTANT

Golden MATHEMATICS CLASS 11>Chapter 9 - Sequence and Series>OBJECTIVE TYPE QUESTIONS>Q 15

100

arithmetic means are inserted between

x

and

y

. The common difference

d

is

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11th CBSE

IMPORTANT

Golden MATHEMATICS CLASS 11>Chapter 9 - Sequence and Series>OBJECTIVE TYPE QUESTIONS>Q 16

The sum of

24

terms of the series

1, (1 + 2), (1 + 2 + 3) . . .

is

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11th CBSE

IMPORTANT

Golden MATHEMATICS CLASS 11>Chapter 9 - Sequence and Series>OBJECTIVE TYPE QUESTIONS>Q 17

If

l, m, n, p, q, r, s

and

t

are in arithmetic progression, then the ratio of

(r - t)

and

(p - n)

is