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Insert five numbers between 8 and 26 suc...

Insert five numbers between 8 and 26 such that the resulting sequence is an A.P.

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To insert five numbers between 8 and 26 such that the resulting sequence is an arithmetic progression (A.P.), we can follow these steps: ### Step 1: Identify the first and last terms The first term (a) is 8, and the last term (l) is 26. We need to insert five numbers between them, which means we will have a total of 7 terms in the sequence. ### Step 2: Determine the number of terms The total number of terms in the sequence will be: - First term: 8 ...
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NCERT-SEQUENCES AND SERIES-EXERCISE 9.2
  1. Sum of the first p, q and r terms of an A.P are a, b and c, respectiv...

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  2. Insert five numbers between 8 and 26 such that the resulting sequence...

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  3. A mail starts repaying a loan as first instalment of Rs. 100. If he i...

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  4. The difference between any two consecutive interior angles of a polyg...

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  5. Between 1 and 31, m numbers have been inserted in such a way that the...

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  6. If the sum of first p terms of an A.P. is equal to the sum of the fir...

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  7. If the sum of n terms of an A.P. is 3n^(2)+5n and its mth term is 164,...

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  8. The ratio of the sum of m and n terms of an A.P. is m^(2) :n^(2). Show...

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  9. If (a^n+b^n)/(a^(n-1)+b^(n-1))is the A.M. between a and b, then find t...

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

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  11. The sums of n terms of two arithmetic progressions are in the ratio 5...

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  12. If the sum of a certain number of terms of the A.P. 25, 22, 19.... is...

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  13. Find the sum to n terms of the A.P., whose k^(t h)term is 5k + 1.

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  14. How many terms of the A.P. 6, -(11)/2,-5,...........are needed to gi...

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  15. In an A.P., if p^(t h)term is 1/qand q^(t h)term is 1/p, prove that t...

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  16. Find the sum of all natural numbers lying between 100 and 1000, which...

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  17. In an A.P., the first term is 2 and the sum of the first five terms i...

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  18. Find the sum of odd integers from 1 to 2001.

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