What is the sum of the first 12 terms of an arithmetic progression if the first term is -19 and last term is 36?
192
230
102
204
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The sum of first five multiples of 3 is:
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2
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How many terms are there in 20, 25, 30 . . . . . . 140?
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3
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If sum of n terms of an A.P. is 3n2 + 5n and Tm = 164 then m =
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4
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What is the sum of the first 17 terms of an arithmetic progression if the first term is -20 and last term is 28?
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5
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If a + 1, 2a + 1, 4a - 1 are in A.P., then the value of a is:
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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 the sum of p terms of an A.P. is q and the sum of q terms is p, then the sum of (p + q) terms will be
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8
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The sum of n terms of an A.P. is 3n2 + 5n, then 164 is its
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9
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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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10
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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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