The sum of first five multiples of 3 is:
90
72
55
45
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1
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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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2
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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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3
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The first term of an Arithmetic Progression is 22 and the last term is -11. If the sum is 66, the number of terms in the sequence are:
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4
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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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5
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Find the nth term of the following sequence :
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6
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If 18, a, b - 3 are in A.P. then a + b =
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7
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What is the sum of the first 11 terms of an arithmetic progression if the 3rd term is -1 and the 8th term is 19?
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8
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Find the nth term of the following sequence :
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9
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Two A.P.’s have the same common difference. The first term of one of these is 8 and that of the other is 3. The difference between their 30th terms is
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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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