Find the first term of an AP whose 8th and 12th terms are respectively 39 and 59.
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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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The 3rd and 6th term of an arithmetic progression are 13 and -5 respectively. What is the 11th term?
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2
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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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3
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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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4
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The sum of first n odd natural numbers in
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5
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If 18th and 11th term of an A.P. are in the ratio 3 : 2, then its 21st and 5th terms are in the ratio
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6
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The 7th and 12th term of an arithmetic progression are -15 and 5 respectively. What is the 16th term?
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7
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The two geometric means between the number 1 and 64 are
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8
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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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9
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For an A.P. if a25 - a20 = 45, then d equals to:
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