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:
9
10
11
12
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1
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(1) + (1 + 1) + (1 + 1 + 1) + ....... + (1 + 1 + 1 + ...... n  1 times) = ......
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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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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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4
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15th term of A.P., x  7, x  2, x + 3, ........ is
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5
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The 3rd and 7th term of an arithmetic progression are 9 and 11 respectively. What is the 15th term?
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6
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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 = S_{n} – k S_{n1} + S_{n2} then k =
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7
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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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8
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If the sum of n terms of an A.P. be 3n2 + n and its common difference is 6, then its first term is
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9
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The 2nd and 8th term of an arithmetic progression are 17 and 1 respectively. What is the 14th term?
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10
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If log 2, log (2^{x} 1) and log (2^{x} + 3) are in A.P, then x is equal to ___
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