The first term of an Arithmetic Progression is 22 and the last term is -11. If the sum is 66, the number of terms in the sequence are:
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The 2nd and 8th term of an arithmetic progression are 17 and -1 respectively. What is the 14th term?
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2
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The sum of the first and third term of an arithmetic progression is 12 and the product of first and second term is 24, then first term is
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3
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Find the 15th term of the sequence 20, 15, 10 . . . . .
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4
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The nth term of an A.P., the sum of whose n terms is Sn, is
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5
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The 4th and 7th term of an arithmetic progression are 11 and -4 respectively. What is the 15th term?
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6
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The 2nd and 6th term of an arithmetic progression are 8 and 20 respectively. What is the 20th term?
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7
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If S1 is the sum of an arithmetic progression of ‘n’ odd number of terms and S2 is the sum of the terms of the series in odd places, then \(\frac{{{S_1}}}{{{S_2}}}\)
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8
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The number of terms of the A.P. 3, 7, 11, 15, ....... to be taken so that the sum is 406 is
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9
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Which term of the A.P. 24, 21, 18, ............ is the first negative term?
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10
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For an A.P. if a25 - a20 = 45, then d equals to:
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