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

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The correct Answer is:
The required number of week = 10
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MTG IIT JEE FOUNDATION-ARITHMETIC PROGRESSIONS -NCERT SECTION EXERCISE 5.2
  1. In the following A.P.s , find the missing terms in the boxes :

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  2. In the following A.P.s , find the missing terms in the boxes :

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  3. Which term of the A.P: 3,8,13,18…… is 78 ?

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  4. Find the number of terms in each of the following A.P.s :7,13,19,……..2...

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  5. Find the number of terms in each of the following A.P.s : 18,15 1/2 , ...

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

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  7. Find the 31^(st) term of an A.P. whose 11^(th) term is 38 and the 16^(...

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  8. An A.P consists of 50 terms of which 3^(rd) term is 12 and the last t...

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  9. If the 3^(rd) and the 9^(th) terms of an A.P. are 4 and -8 respectivel...

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  10. The 17^(th) term of an A.p. exceeds its 10^(th) term by 7 . Find the ...

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  11. Which term of the A.P : 3, 15 , 27 , 39 ……. will be 132 more than its...

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  12. Two A.P .s have the same common difference . The difference between th...

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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 A.p.s : 63,65,67,…… ...

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  16. Determine the A.P. whose third term is 16 and the 7^(th) term exceeds ...

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  17. Find the 20^(th) term from the last term of the A.P.: 3,8,13,….. 253 .

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

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

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

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