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Prove that the number of terms in the A....

Prove that the number of terms in the A.P. 3,6,9,….111 is 37

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In an A.P. the difference between the last and the first terms is 632 and the commons difference is 4. Then the number of terms in the A.P. is

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Consider the G.P. 12,8 ,16/3,…Prove that the 6^(th) term of the G.P is (128)/81

The number of terms of an A.P. is even the sum of the odd terms is 24 sum of the even terms is 30 and the last term exceeds the first by 10 (1)/(2) then the number of terms in the series is

In an A.P., the first term is 3 and the last term is 17. The sum of all the terms in the sequence is 70. Then the number of terms in the arithmetic sequence is

The first, second and middle terms of an A.P. are a, b, c, respectively. Then the sum of all terms of the A.P. is

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Find the n^(th) term of the A.P 84, 80,76,.....

A N EXCEL PUBLICATION-SEQUENCES AND SERIES-QUESTION BANK
  1. Find the n^(th) term of the A.P 84, 80,76,.....

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  2. If an is the n^(th) term of an A.P whose first term is a and common di...

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  3. Prove that the number of terms in the A.P. 3,6,9,….111 is 37

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  4. Find the number of natural numbers between 1 and 100 which are divisib...

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  5. Find the sum of natural numbers between 1 and 100 which are divisible ...

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  6. Suppose that the 6^(th) and 17^(th) terms of an A.P. are 19 and 41 res...

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  7. The 6^(th) and 17^(th) terms of an A.P are 19 and 41 respectively, fin...

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  8. Suppose that the first and the 5^(th) terms of an A.P. are-14 and 2 re...

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  9. Suppose that the first and the 5^(th) terms of an A.P. are-14 and 2 re...

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  10. If a is the first term and d is the common difference of an A.P, what ...

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  11. If 10 times the 10^(th) term of the A.P is equal to 15 times 15^(th) t...

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  12. Suppose that three numbers are in A.P. If the sum of the three numbers...

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  13. Suppose that three numbers are in A.P.if the sum of the three numbers ...

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  14. Suppose that four numbers are in A.P. Let the four numbers be a-3d, a-...

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  15. Suppose that four numbers are in A.P. Let the four numbers be a-3d, a-...

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  16. Consider the A.P. 18,15,12.... Find the sum to n terms of the A.P.

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  17. Consider the A.P. 18,15,12.... How many terms are needed to give the s...

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  18. Consider the equation 1+6+11 + 16 + ... +x= 148 If n is the number of ...

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  19. Consider the equation 1+6+11 + 16 + ... +x= 148 Prove that x^2+5x-1476...

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  20. Consider the equation 1+6+11 + 16 + ... +x= 148 Solve the given equati...

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