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If the 5th term of an A.P. is 31 and 25t...

If the 5th term of an A.P. is 31 and 25th term is 140 more than the 5th term, find the A.P.

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If the 8th term of an A.P. is 31 and the 15th term is 16 more than the 11th term, find the A.P.

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RD SHARMA ENGLISH-ARITHMETIC PROGRESSIONS-All Questions
  1. Find the 10th term from the end of the A.P. 8,10,12, ... 126.

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  2. The 19th term of an A.P. is equal to three times its 9th term.If its...

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  3. If the 5th term of an A.P. is 31 and 25th term is 140 more than the...

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  4. The first and last term of an A.P. are a and l respectively. If S is...

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  5. Find the number of all three digit natural numbers which are divisible...

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  6. If the seventh term of an AP is 1/9 and its ninth term is 1/7, find it...

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  7. The 24th term of an A.P. is twice its 10th term. Show that its 72th...

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  8. If 2x ,x+10 ,3x+2 are in A.P., find the value of xdot

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  9. If the numbers a , b , c , d , e form an A.P. , then find the value of...

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  10. The 9th term of an A.P. is equal to 6 times its second term. If its...

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  11. The sum of 5th and 9th term of an A.P. is 72 and the sum of 7th and...

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  12. The sum of 4th and 8th terms of an A.P. is 24 and the sum of 6th an...

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  13. Write an AdotPdot having 4 as the first term and -3 as the comon diffe...

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  14. Write the first three terms in each of the sequence defined by the ...

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  15. What is 18th term of the sequence defined by an=(n(n-3))/(n+4)

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  16. Show that the sequence defined by an=4n+5 is an AdotPdot Also, find...

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  17. Show that the sequence defined by an=2n^2+1 is not an AdotPdot

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  18. Show that a sequence is an AdotPdot if its n t h term is a linea...

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  19. The n t h term of a sequence is 3n-2 . Is the sequence an AdotPd...

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  20. Write an AdotPdot whose first term is 10 and common difference is 3...

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