CBSE Syllabus Standard Mathematics for Class X>Chapter 5 - Arithmetic Progressions>Multiple Choice Questions>Q 22

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IMPORTANT

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The $21^{st}$ term of an AP whose first two terms are $- 3$ and $4$ is

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Important Questions on Arithmetic Progressions

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IMPORTANT

CBSE Syllabus Standard Mathematics for Class X>Chapter 5 - Arithmetic Progressions>Multiple Choice Questions>Q 23

If the

2^{nd}

term of an AP is

13

and the

5^{th}

term is

25

, then its

7^{th}

term is

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CBSE Syllabus Standard Mathematics for Class X>Chapter 5 - Arithmetic Progressions>Multiple Choice Questions>Q 24

If

7

times the

7^{th}

term of an AP is equal to

11

times its

11^{th}

term, then its

18^{th}

term will be

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CBSE Syllabus Standard Mathematics for Class X>Chapter 5 - Arithmetic Progressions>Multiple Choice Questions>Q 25

If

18, a, b, - 3

are in AP, then

a + b =

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CBSE Syllabus Standard Mathematics for Class X>Chapter 5 - Arithmetic Progressions>Multiple Choice Questions>Q 26

If the first term of an AP is

- 5

and the common difference is

2

, then the sum of its first

6

terms is

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CBSE Syllabus Standard Mathematics for Class X>Chapter 5 - Arithmetic Progressions>Multiple Choice Questions>Q 27

The sum of first

16

terms of the AP:

10, 6, 2, . . . . . .

is

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CBSE Syllabus Standard Mathematics for Class X>Chapter 5 - Arithmetic Progressions>Multiple Choice Questions>Q 28

In an AP, if

a = 1, a_{n} = 20

and

S_{n} = 399

then

n

is

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CBSE Syllabus Standard Mathematics for Class X>Chapter 5 - Arithmetic Progressions>Multiple Choice Questions>Q 29

In an AP, if

a = 3

and

S_{8} = 192,

then

d

is

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CBSE Syllabus Standard Mathematics for Class X>Chapter 5 - Arithmetic Progressions>Multiple Choice Questions>Q 30

If the

n^{th}

term of an AP is given by

a_{n} = 5 n - 3

, then the sum of first

10

terms is