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The common difference of a constant A.P....

The common difference of a constant A.P. is ……

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If every term of an A.P. is multiplied by 3, then the common difference of the new A.P. is …..

First term and common difference of an A.P. are 6 and 3 respectively : Find S_27

The common difference of the A.P. 1/(2b), (1-6b)/(2b), (1-2b)/(2b) is………………

If a ,1/b ,a n d1/p ,q ,1/r from two arithmetic progressions of the common difference, then a ,q ,c are in A.P. if p ,b ,r are in A.P. b. 1/p ,1/b ,1/r are in A.P. c. p ,b ,r are in G.P. d. none of these

Suppose that all the terms of an arithmetic progression (A.P.) are natural numbers. If the ratio of the sum of the first seven terms to the sum of the first eleven terms is 6: 11 and the seventh term lies in between 130 and 140, then the common difference of this A.P. is

Three concentric circles of which the biggest is x^2+ y^2= 1 , have their radii in A.P If the line y= x+1 cuts all the circles in real and distinct points. The interval in which the common difference of the A.P will lie is:

Suppose that all the terms of an arithmetic progression (A.P.) are natural numbers. If the ratio of the sum of the first seven terms to the sum of the first eleven terms is 6: 11 and the seventh term lies in between 130 and 140, then the common difference of this A.P. is

A student read common difference of are A.P. as -3 instead of 3 and obtained the sum of first 10 terms as -30. Then the actual sum of first 10 terms is equal to

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PREMIERS PUBLISHERS-NUMBERS AND SEQUENCES-PROGRESS CHECK
  1. If a and d are the first term and common difference of an A.P. then th...

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  2. If t(n)" is the " n^(th) term of an A.P., then t(2n) - t(n) is …..

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  3. The common difference of a constant A.P. is ……

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  4. If a and l are first and last terms of an A.P. then the number of term...

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  5. If every term of an A.P. is multiplied by 3, then the common differenc...

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  6. Three numbers a, b and c will be in A.P. if and only if .

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  7. The sum of terms of a sequence is called ……

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  8. A series have finite number of terms then it is called ……

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  9. A series whose terms are in …… is called Arithmetic series.

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  10. If the first and last terms of an A.P. are given, then the formula to ...

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  11. A G.P. is obtained by multiplying ……… to the preceding term.

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  12. The ratio between any two consecutive terms of the G.P. is …… and it i...

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  13. Fill in the blanks, if the term are in G.P. (1)/(8), (3)/(4), (9)/(2),...

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  14. Fill in the blanks if the following are in G.P. 7, 7/2,……

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  15. Fill in the blanks if the following are in G.P. ……., 2sqrt2, 4, …….

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  16. If first term = a, common ratio = r, then find the value of t(9)" and ...

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  17. If G.P if t(1)=(1)/(5) and t(2)=(1)/(25) then the common ratio is .

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  18. Three Non-zero numbers a, b and c will be in G.P. If and only if .

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  19. A series whose terms are in Geometric progression is called …….

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  20. When r = 1, the formula for finding sum to n terms of a G.P. is …….

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