The 7th and 21st terms of an AP are 6 and -22 respectively. Find the 26th term
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The sum of n terms of an A.P. is 3n2 + 5n, then 164 is its
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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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If k, 2k – 1 and 2k + 1 are three consecutive terms of an AP, the value of k is
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4
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What is the sum of all positive integers up to 1000, which are divisible by 5 and are not divisible by 2?
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5
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If three numbers be in G.P., then their logarithms will be in
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6
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Find the nth term of the following sequence :
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7
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The sum of first n odd natural numbers in
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8
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The 3rd and 8th term of an arithmetic progression are -13 and 2 respectively. What is the 14th term?
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9
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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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10
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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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