If a + 1, 2a + 1, 4a  1 are in A.P., then the value of a is:
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15th term of A.P., x  7, x  2, x + 3, ........ is
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Which term of the A.P. 92, 88, 84, 80, ...... is 0?
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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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The sum of first five multiples of 3 is:
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The sum of first n odd natural numbers in
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A piece of equipment cost a certain factory 6,00,000. If it depreciates in value, 15% the first year, 13.5% the next year, 12% the third year, and so on, what will be its value at the end of 10 years, all percentages applying to the original cost?
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If 7 times the seventh term of an Arithmetic Progression (AP) is equal to 11 times its eleventh term, then the 18th term of the AP will be
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The 3rd and 9th term of an arithmetic progression are 8 and 10 respectively. What is the 16th term?
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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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What is the sum of the first 11 terms of an arithmetic progression if the 3rd term is 1 and the 8th term is 19?
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