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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1
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Find the nth term of the following sequence :
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2
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(1) + (1 + 1) + (1 + 1 + 1) + ....... + (1 + 1 + 1 + ...... n - 1 times) = ......
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3
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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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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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Which term of the A.P. 92, 88, 84, 80, ...... is 0?
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6
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How many terms are there in the GP 5, 20, 80, 320........... 20480?
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7
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What is the sum of the following series? -64, -66, -68, ......, -100
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8
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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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9
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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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10
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What is the sum of the first 12 terms of an arithmetic progression if the 3rd term is -13 and the 6th term is -4?
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