If a + 1, 2a + 1, 4a  1 are in A.P., then the value of a is:
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1
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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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2
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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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3
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Find the first term of an AP whose 8th and 12th terms are respectively 39 and 59.
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4
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The 7th and 12th term of an arithmetic progression are 15 and 5 respectively. What is the 16th term?
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5
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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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6
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The sum of first five multiples of 3 is:
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7
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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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8
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The 2^{nd} and 8^{th} term of an arithmetic progression are 17 and 1 respectively. What is the 14^{th} term?
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9
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The sum of first five multiples of 3 is:
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10
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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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