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If every term of an A.P. is multiplied b...

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

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

Find the common differences of the following A.P: 2,4,6,8

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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

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

The first term of an A.P. is 6 and the common difference is 5. Find the A.P. and its general term.

Write the correct common difference from the following A.P. 3,6,9,12,….

If 6 times of 6th term of an A.P. is equal to 7 times term, then the 13th term of the A.P. is

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NCERT TAMIL-NUMBERS AND SEQUENCES -Progress Check
  1. If t(n)" is the " n^(th) term of an A.P., then t(2n) - t(n) is …..

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

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

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

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

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

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

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  8. If the sum of n terms of an A.P is (pn + qn^(2)), where p and q are co...

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  9. If the sum of n terms of an A.P is (pn + qn^(2)), where p and q are co...

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

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

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

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

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

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

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

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

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

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

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  20. Sum to infinite number of terms of a G.P. is ….

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