If the sum of three consecutive terms of an increasing A.P. is 51 and the product of the first and third of these terms is 273, then the third term is :
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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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2
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For an A.P. if a25 - a20 = 45, then d equals to:
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3
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If the fifth term of a GP is 81 and first term is 16, what will be the 4th term of the GP?
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4
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The 3rd and 7th term of an arithmetic progression are -9 and 11 respectively. What is the 15th term?
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5
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If a + 1, 2a + 1, 4a - 1 are in A.P., then the value of a is:
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6
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If the sum of n terms of an A.P. is 3n2 + 5n then which of its terms is 164 ?
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7
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If k, 2k – 1 and 2k + 1 are three consecutive terms of an AP, the value of k is
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8
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If a, b, c are in A.P., then (a – c)2/ (b2 – ac) =
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9
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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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10
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The 7th and 12th term of an arithmetic progression are -15 and 5 respectively. What is the 16th term?
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