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NCERT EXEMPLAR-ARITHMETIC PROGRESSIONS-Arithmetic Progressions
- If 7 times the 7th term of an AP is equal to 11 times its 11th term, t...
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- The 4th term from the end of an AP -11, -8, -5, …, 49 is
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- The famous mathematician associated with finding the sum of the first ...
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- If the first term of an AP is -5 and the common difference is 2, then ...
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- The sum of first 16 terms of the AP 10, 6, 2, … is
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- In an AP, if a = 1, a(n)= 20 and S(n) = 399, then n is equal to
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- The sum of first five multiples of 3 is
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- Which of the following form of an AP ? Justify Your answer. (i) -1,-...
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- Justify whether it is true to say that -1, (-3)/(2), -2, (5)/(2), … ...
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- For the AP -3, -7, -11, … can we find directly a(30)-a(20) without ac...
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- Two A.P have the same common difference. The first term of one A.P is ...
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- Is 0 a term of the AP 31, 28, 25, …? Justify your answer.
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- The taxi fare after each km, when the fare is Rs. 15 for the first km ...
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- In which of the following situations, do the lists of numbers involved...
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- Justify whether it is true to say that the following are the nth terms...
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- Match the AP's given in column A with suitable common differences giv...
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- Verify that each of the following is an AP and then write its next thr...
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- Write the first three terms of the AP's, when a and d are as given bel...
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- Find a, b and c such that the following numbers are in AP, a, 7, b, 23...
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- Determine the AP whose fifth term is 19 and the difference of the eigh...
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