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Ramkali saved Rs.5 in the first week of ...

Ramkali saved Rs.5 in the first week of a year and then increased her weekly savings by Rs. 1.75. If in the `n^(th)` week, her weekly savings become Rs. 20.75, find n.

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The correct Answer is:
20.75
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OSWAAL PUBLICATION-ARITHMETIC PROGRESSIONS-TEXTBOOK CORNER EXERCISE 1.2
  1. Choose the correct choice in the following and justify: 30th term of...

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  2. Choose the correct choice in the following and justify: 11th term of...

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  3. In the following AP's find the missing terms in the boxes. (i) 2.,2...

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  4. Which term of the AP : 3,8,13,18,… is 78 ?

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  5. Find the number of terms in each of the following APs : 7,13,19,…205

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  6. Check whether -150 is a term of the AP : 11, 8, 5, 2

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  7. Find the 31st term of an AP whose 11th term is 38 and the 16th term is...

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  8. An AP consists of 50 terms of which 3rd term is 12 and the last term i...

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  9. If the 3^(rd) and the 9^(th) terms of an AP are 4 and -8 respectively,...

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  10. The 17th term of an AP exceeds its 10th term by 7. Find the common dif...

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  11. Which term of the AP : 3, 15, 27, 39, …. Will be 132 more than its 54^...

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

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  13. How many three digit numbers are divisible by 7?

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

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  15. For what value of n, are the n^(th) terms of two APs : 63, 65, 67,… an...

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

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  17. Find the 20^(th) term from end of the sequence 3,8,13 …… 253.

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  18. The sum of the 4^(th) and 8^(th) terms of an AP is 24 and the sum of t...

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  19. Subba Rao started work in 1995 at an annual salary of Rs.5000 and rece...

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  20. Ramkali saved Rs.5 in the first week of a year and then increased her ...

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