Modern's abc+ of Mathematics for Class 10>Chapter 5 - Arithmetic Progressions>CHAPTER TEST>Q 5

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How many multiples of $4$ lie between $10$ and $250$ ?

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Important Questions on Arithmetic Progressions

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IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 5 - Arithmetic Progressions>CHAPTER TEST>Q 6

Find the sum of the following A.P.:

\frac{1}{15}

,

\frac{1}{12}

,

\frac{1}{10}

,... to

11

terms

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Modern's abc+ of Mathematics for Class 10>Chapter 5 - Arithmetic Progressions>CHAPTER TEST>Q 7

How many terms of the A.P.

9

,

17

,

25

, ... must be taken to give a sum of

636

?

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Modern's abc+ of Mathematics for Class 10>Chapter 5 - Arithmetic Progressions>CHAPTER TEST>Q 8

Find the sum of first

51

terms of an A.P. whose second and third terms are

14

and

18

respectively.

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Modern's abc+ of Mathematics for Class 10>Chapter 5 - Arithmetic Progressions>CHAPTER TEST>Q 9

If

m

times the

m^{th}

term of an A.P. is equal to

n

times its

n^{th}

term, show that the

{(m + n)}^{th}

th term of the A.P is zero.

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Modern's abc+ of Mathematics for Class 10>Chapter 5 - Arithmetic Progressions>CHAPTER TEST>Q 10

Determine the A.P. whose fifth term is

19

and the difference of the eighth terms from the thirteenth term is

20

.

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Modern's abc+ of Mathematics for Class 10>Chapter 5 - Arithmetic Progressions>CHAPTER TEST>Q 11

Find the sum:

\frac{a - b}{a + b} + \frac{3 a - 2 b}{a + b} + \frac{5 a - 3 b}{a + b} +

....

+ 11

terms.