The 4th and 7th term of an arithmetic progression are 11 and -4 respectively. What is the 15th term?
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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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2
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The sum of first five multiples of 3 is:
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3
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Let S denotes the sum of n terms of an A.P. whose first term is a. If the common difference d is given by d = Sn – k Sn-1 + Sn-2 then k =
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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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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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If the sum of three consecutive terms of an increasing A.P. is 51 and the product of the first and third of these terms is 273, then the third term is :
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7
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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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8
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The common difference of the A.P. \(\frac{1}{3}, \frac{{1 - 3b}}{3} , \frac{{1 - 6b}}{3}\) . . . . . . is
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9
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If k, 2k – 1 and 2k + 1 are three consecutive terms of an AP, the value of k is
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10
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In an A.P., if d = -4, n = 7, an = 4, then a is
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