Find the nth term of the following sequence :
5 + 55 + 555 + . . . . Tn
5(10n - 1)
5n(10n - 1)
5/9×(10n−1)
(5/9)n×(10n−1)
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The first and last term of an A.P. is a and l respectively. If S is the sum of all the terms of the A.P. and the common difference is given by \(\frac{{{l^2} - {a^2}}}{{k - \left( {l + a} \right)}}\) then k = ?
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2
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The 3rd and 8th term of an arithmetic progression are -13 and 2 respectively. What is the 14th term?
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3
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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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4
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The 3rd and 6th term of an arithmetic progression are 13 and -5 respectively. What is the 11th term?
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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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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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7
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The sum of the first and third term of an arithmetic progression is 12 and the product of first and second term is 24, then first term is
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8
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A square is drawn by joining the mid points of the sides of a given square in the same way and this process continues indefinitely. If a side of the first square is 4 cm, determine the sum of the areas all the square.
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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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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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