The 2nd and 6th term of an arithmetic progression are 8 and 20 respectively. What is the 20th term?
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1
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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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2
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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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3
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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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4
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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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5
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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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6
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Find the 15th term of the sequence 20, 15, 10 . . . . .
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7
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The nth term of an A.P., the sum of whose n terms is Sn, is
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8
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What is the sum of the first 12 terms of an arithmetic progression if the 3rd term is -13 and the 6th term is -4?
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9
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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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10
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How many terms are there in the GP 5, 20, 80, 320........... 20480?
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