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If the 4th term of an A.P. is zero, prov...

If the 4th term of an A.P. is zero, prove that the 25th term of the A.P. is three times its 11th term.

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`= 30.1`
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If the 9^(th) term of an A.P. is zero, then prove that 29^(th) term is double of 19^(th) term.

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If seven times the 7th term of an AP is equal to eleven times the 11th term then what will be its 18th term?

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EDUCART PUBLICATION-ARITHMETIC PROGRESSIONS-SHORT ANSWER (SA - I) TYPE QUESTIONS
  1. The common difference between the terms of two AP's is same. If the di...

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  2. In an AP, it is given that S(5) + S(7) = 167 "and" S(10) = 235, then f...

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  3. If the 4th term of an A.P. is zero, prove that the 25th term of the A....

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  4. For an AP, it is given that first term (a)= 5 and Common Difference (d...

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  5. If 6 times the 6^(th) term of an A.P, is equal to 9 times the 9^(th) t...

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  6. Find the sum of all the 11 terms of an AP whose middle most term is 30...

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  7. Find the sum of the first 15 multiples of 8.

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  8. Two APs have the same common difference. The difference between their...

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  9. Show that (a - b)^(2), (a^(2) + b^(2)) " and " (a + b)^(2) are in AP.

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  10. The 17^(t h) term of an AP exceeds its 10^(t h) term by 7. Find the co...

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  11. How many multiples of 4 lie between 10 and 250?

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  12. Determine the AP whose third term is 16 and the 7th term exceeds the 5...

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  13. Two A.P have the same common difference. The first term of one A.P is ...

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  14. Which term of the AP 3, 15, 27, 39,… will be 120 more than its 21st te...

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  15. If S(n) the sum of first n terms of an A.P. is given by Sn = 3n^(2) ...

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  16. Find the sum of first 8 multiples of 3

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  17. If seven times the 7th term of an AP is equal to eleven times the 11th...

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  18. The 10^(th) term of an A.P. is -4 and its 22^(nd) term is (-16). Find ...

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  19. Find how many integers between 200 and 500 are divisible by 8.

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  20. Determine the AP whose 3^(r d)term is 5 and the 7^(t h)term is 9.

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