The 3rd and 7th term of an arithmetic progression are -9 and 11 respectively. What is the 15th term?
28
87
51
17
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After striking the floor, a rubber ball rebounds to 4/5th of the height from which it has fallen. Find the total distance that it travels before coming to rest if it has been gently dropped from a height of 120 metres.
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2
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The 7th and 21st terms of an AP are 6 and -22 respectively. Find the 26th term
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3
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If the sum of the series 2 + 5 + 8 + 11 … is 60100, then the number of terms are
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4
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The common difference of the A.P. \(\frac{1}{{2b}} \frac{{1 - 6b}}{{2b}} \frac{{1 - 12b}}{{2b}}\) . . . . . is
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5
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For an A.P. if a25 - a20 = 45, then d equals to:
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6
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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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7
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The common difference of the A.P. \(\frac{1}{3}, \frac{{1 - 3b}}{3} , \frac{{1 - 6b}}{3}\) . . . . . . is
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8
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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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9
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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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10
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The nth term of an A.P., the sum of whose n terms is Sn, is
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