The 3rd and 7th term of an arithmetic progression are -9 and 11 respectively. What is the 15th term?
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If the fifth term of a GP is 81 and first term is 16, what will be the 4th term of the GP?
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2
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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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3
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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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4
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Which term of the A.P. 24, 21, 18, ............ is the first negative term?
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5
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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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6
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Find the nth term of the following sequence :
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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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How many terms are there in the GP 5, 20, 80, 320........... 20480?
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9
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If a + 1, 2a + 1, 4a - 1 are in A.P., then the value of a is:
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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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