If k, 2k – 1 and 2k + 1 are three consecutive terms of an AP, the value of k is
-2
-3
2
3
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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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2
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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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3
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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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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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If the nth term of an A.P. is 2n + 1, then the sum of first n terms of the A.P. is
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6
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Which term of the A.P. 92, 88, 84, 80, ...... is 0?
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7
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If the sum of n terms of an A.P. be 3n2 + n and its common difference is 6, then its first term is
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8
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If the sums of n terms of two arithmetic progressions are in the ratio \(\frac{{3n + 5}}{{5n + 7}}\) then their nth terms are in the ration
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9
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What is the sum of all 3 digit numbers that leave a remainder of '2' when divided by 3?
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10
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In an A.P., if d = -4, n = 7, an = 4, then a is
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