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On 1st January every year, a person buys...

On 1st January every year, a person buys National saving certificates of value exceeding of his last year’s purchase by Rs. 100. After 10 years he finds that the total value of the certificates' purchased by him is $5000. Find the value of certificates purchased by him :-in the first year .

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MBD-ARITHMETIC PROGRESSION-EXERCISE
  1. Determine an A.P. whose sum of n terms is n (n + 2). Find also the 21s...

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  2. In a sequence, the sum of first n terms is Sn = 2n^2 + 3n + 1, for all...

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  3. If the sum of n terms of a series is a + bn + cn^2. Find the nth term ...

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  4. If Sn denotes the sum of n terms of an A.P. whose first term is a, and...

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  5. For an A.P., show that Tp+T(p+2q)=2T(p+q) .

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  6. The first and last terms of an A.P. are a and l respectively. Show th...

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  7. Find the arithmetic series of n terms whose first term is a and last t...

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  8. If the sum of n terms of two arithmetic series are in the ratio. ,- (2...

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  9. If the sum of n terms of two arithmetic series are in the ratio. ,- (6...

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  10. if (3+5+7...n terms)/(5+8+11+...10 terms)=7 find n.

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  11. If the ratio of sum of m terms of an A.P. to the sum of n terms is (2m...

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  12. If the ratio of the sum of m terms of an A.P. to the sum of n terms is...

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  13. A ball rolling up an incline covers 36 metres during first second, 32 ...

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  14. A man gets employment of $ 250 per month with annual increment of $ 20...

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  15. If you save 1 paise today, 2 paise next day and 3 paise succeeding day...

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  16. A student purchased a pen for $ 100. At the end of 8 months, it was va...

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  17. A manufacturer instals a machine at a cost of $ 3,000. At the end of 9...

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  18. On 1st January every year, a person buys National saving certificates ...

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  19. On 1st January every year, a person buys National saving certificates ...

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  20. Two cars start together in the same direction at the same place.The fi...

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