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CPC CAMBRIDGE PUBLICATION-ARITHMETIC PROGRESSIONS-EXERCISE 1.3
- How many multiples of 4 lie between 10 and 250 ?
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- For what value of n, are the n^(th) terms of two APs : 63, 65, 67,… an...
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- Determine the AP whose third term is 16 and the 7^(th) term exceeds th...
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- Find the 20^(th) term from end of the sequence 3,8,13 …… 253.
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- The sum of the 4^(th) and 8^(th) terms of an AP is 24 and the sum of t...
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- Subba Rao started work in 1995 at an annual salary of Rs.5000 and rece...
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- Ramkali saved Rs.5 in the first week of a year and then increased her ...
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- Find the sum of the following Aps: (i) 2, 7, 12, …….., to 10 terms. ...
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- Find the sums given below : (i) 7+10(1)/(2)+14+……..+84 (ii) 34+32...
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- In an AP: (i) given a=5, d=3, a(n)=50, find n and S(n). (ii) give...
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- How many terms of the A.P : 9, 17 25,… must be taken to give sum of 63...
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- The first of an A.P is 5, the last term is 45 and the sum is 400. Find...
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- The first and the last terms of an A.P are 17 and 350 respectively. If...
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- Find the sum of first 22 terms of an A.P in which d = 7 and 22nd term ...
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- Find the sum of first terms of an A.P whose second and third terms are...
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- If the sum of first 7 terms of an A.P is 49 and that of 17 terms is 28...
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- Show that a(1), a(2), ….,a(n),… form an A.P where an is defined as bel...
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- If the sum of the first n^(th) terms of an A.P is 4n-n^(2) , what is t...
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- Find the sum of the first 40 positive integers divisible by 6.
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- Find the sum of the first 15 multiples of 8 .
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