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Kanika was given her pocket money on Jan...

Kanika was given her pocket money on Jan 1st , 2008. She puts Rs. 1 on day 1, Rs. 2 on day 2, Rs. 3 on day 3 and continued doing so till the end of the month, from this money into her piggy bank she also spent Rs. 204 of her pocket money, and found that at the end of the month she still had Rs. 100 with her. How much was her pocket money for the month ?

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The correct Answer is:
Rs 800
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OSWAL PUBLICATION-ARITHMETIC PROGRESSIONS -NCERT EXAMPLAR (EXERCISE-5.3)
  1. How many numbers lie between 10 and 300, which divided by 4 leave a re...

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  2. Find the sum of two middle terms of the AP -4/3,-1,-2/3,-1/3,...,4(1/3...

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  3. The first term of an AP is -5 and the last term is 45. If the sum of t...

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  4. Find the sum : 1+1.2+1.4+1.6+1.8+... (upto 21 terms)

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  5. Find: (4-1/n)+(7-2/n) +(10-3/n) ... upto n terms

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  6. Find the sum (i) 1+(-2)+(-5)+(-8)+ … +(-236) (ii) (4-(1)/(n))+(4-(...

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  7. Which term of the AP -2,-7,-12, … will be -77 ? Find the sum of this A...

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  8. If a(n)=3-4n, then show that a(1),a(2),a(3), … form an AP. Also, find ...

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  9. In an AP, If S(n)=n(4n+1), then find the AP.

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  10. In an AP, If S(n)=3n^(2)+5n and a(k)=164, then find the value of k.

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  11. If Sn denotes the sum of first n terms of an A.P., prove that S(...

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  12. Find the sum of first 17 terms of an AP whose 4th and 9th terms are -1...

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  13. If sum of first 6 terms of an AP is 36 and that of the first 16 terms ...

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

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  15. Find the sum of last ten terms of the AP 8, 10, 12, …, 126.

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  16. Find the sum of first seven numbers which are multiples of 2 as well a...

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  17. How many terms of the AP -15, -13, -11, … are needed to make the sun ...

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  18. The sum of the first n terms of an AP whose first term is 8 and the co...

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  19. Kanika was given her pocket money on Jan 1st , 2008. She puts Rs. 1 on...

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  20. Yasmeen saves Rs. 32 during the first month, Rs. 36 in the second mont...

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