15th term of A.P., x - 7, x - 2, x + 3, ........ is
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1
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In an A.P., if d = -4, n = 7, an = 4, then a is
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2
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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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3
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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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4
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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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5
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The 7th and 21st terms of an AP are 6 and -22 respectively. Find the 26th term
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6
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The sum of the first 16 terms of an AP whose first term and third term are 5 and 15 respectively is
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7
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The nth term of an A.P., the sum of whose n terms is Sn, is
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8
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Sum of n terms of the series \(\sqrt 2 + \sqrt 8 + \sqrt {18} + \sqrt {32} + \) ....... is
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9
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If 7 times the seventh term of an Arithmetic Progression (AP) is equal to 11 times its eleventh term, then the 18th term of the AP will be
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10
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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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