Which term of the A.P. 24, 21, 18, ............ is the first negative term?
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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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2
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If 18, a, b - 3 are in A.P. then a + b =
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3
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If the first term of an A.P. is 2 and common difference is 4, then the sum of its 40 term is
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4
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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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5
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A boy agrees to work at the rate of one rupee on the first day, two rupees on the second day, and four rupees on third day and so on. How much will the boy get if he started working on the 1st of February and finishes on the 20th of February?
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6
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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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7
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For A.P. T18 - T8 = ........ ?
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8
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The number of terms of the A.P. 3, 7, 11, 15, ....... to be taken so that the sum is 406 is
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9
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Which term of the A.P. 92, 88, 84, 80, ...... is 0?
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10
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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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