Find the first term of an AP whose 8th and 12th terms are respectively 39 and 59.
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Find the 15th term of the sequence 20, 15, 10 . . . . .
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2
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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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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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The sum of the first 16 terms of an AP whose first term and third term are 5 and 15 respectively is
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5
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The common difference of the A.P. \(\frac{1}{{2b}} \frac{{1 - 6b}}{{2b}} \frac{{1 - 12b}}{{2b}}\) . . . . . is
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6
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Find the nth term of the following sequence :
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7
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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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8
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In an A.P., if d = -4, n = 7, an = 4, then a is
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9
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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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10
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Find the nth term of the following sequence :
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