What is the sum of the first 17 terms of an arithmetic progression if the first term is -20 and last term is 28?
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The two geometric means between the number 1 and 64 are
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2
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The common difference of the A.P. \(\frac{1}{{2b}} \frac{{1 - 6b}}{{2b}} \frac{{1 - 12b}}{{2b}}\) . . . . . is
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3
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The sum of first five multiples of 3 is:
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4
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If the 3rd and the 5th term of an arithmetic progression are 13 and 21, what is the 13th term?
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5
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What is the sum of the first 11 terms of an arithmetic progression if the 3rd term is -1 and the 8th term is 19?
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6
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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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7
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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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8
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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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9
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If the sum of the series 2 + 5 + 8 + 11 … is 60100, then the number of terms are
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10
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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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