What is the sum of the first 12 terms of an arithmetic progression if the first term is -19 and last term is 36?
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The 3rd and 9th term of an arithmetic progression are -8 and 10 respectively. What is the 16th term?
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2
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The 3rd and 6th term of an arithmetic progression are 13 and -5 respectively. What is the 11th term?
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3
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If 18th and 11th term of an A.P. are in the ratio 3 : 2, then its 21st and 5th terms are in the ratio
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4
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What is the sum of the first 9 terms of an arithmetic progression if the first term is 7 and last term is 55?
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5
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What is the sum of the first 13 terms of an arithmetic progression if the first term is -10 and last term is 26?
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6
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What is the sum of the first 12 terms of an arithmetic progression if the first term is -19 and last term is 36?
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7
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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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8
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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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9
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If Sn denote the sum of the first n terms of an A.P. If S2n = 3Sn , then S3n : Sn is equal to
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10
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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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