In an AP, the sum of first ten terms is ...

In an AP, the sum of first ten terms is -150 and the sum of its next ten terms is -550 Find the AP

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RD SHARMA ENGLISH-ARITHMETIC PROGRESSIONS-All Questions

The first and the last terms of an AP are 17 and 350 respectively. I...
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In an A.P., the first term is 2, the last term is 29 and sum of the te...
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In an AP, the sum of first ten terms is -150 and the sum of its next t...
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Sum of the first 14 terms of an AP is 1505 and its first term is 10. F...
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The sum of first n terms of an A.P. is 5n^2+3n If its mth term is 168,...
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The sum of first q terms of an A.P. is 63 q-3q^2 . If its p t h ...
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The sum of first m terms of an A.P. is 4m^2-m . If its n t h ter...
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In the A.P. nth term of an A.P. is given by (-4n + 15). Find the sum o...
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Find the number of terms of the A.P. -12 ,\ -9,\ -6,\ dot,\ 12 . If...
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The sum of first n terms of an A.P. is 3n^2+4n . Find the 25 t h...
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The sum of first seven terms of an A.P is 182. If its 4^(th) term and ...
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The sum of the first n terms of an A.P. is 3n^2+6n . Find the n^(t...
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The sum of the first 7 terms of an AP is 63 and the sum of its next 7 ...
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If Sn denotes the sum of the first n terms of an A.P., prove tha...
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The sum of first n terms of an A.P. is 5n-n^2 . Find the n t h t...
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The sum of the first n terms of an A.P. is 4n^2+2n . Find the n ...
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If the 10 t h term of an A.P. is 21 and the sum of its first ten te...
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The first and the last terms of an AP are 7 and 49 respectively. If...
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If Sn denotes the sum of first n terms of an A.P., prove that S(...
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If the sum of the first n terms of an A.P. is 1/2(3n^2+7n), then find ...
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