The sum of first five multiples of 3 is:
90
72
55
45
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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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For an A.P. if a25 - a20 = 45, then d equals to:
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3
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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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4
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If four numbers in A.P. are such that their sum is 50 and the greatest number is 4 times the least, then the numbers are
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5
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If the 3rd and the 5th term of an arithmetic progression are 13 and 21, what is the 13th term?
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6
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In an A.P., if d = -4, n = 7, an = 4, then a is
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7
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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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8
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Which term of the A.P. 92, 88, 84, 80, ...... is 0?
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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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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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