If the first term of an A.P. is 2 and common difference is 4, then the sum of its 40 term is
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1
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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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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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3
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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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4
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If log 2, log (2x -1) and log (2x + 3) are in A.P, then x is equal to ___
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5
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For A.P. T18 - T8 = ........ ?
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6
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If the sums of n terms of two arithmetic progressions are in the ratio \(\frac{{3n + 5}}{{5n + 7}}\) then their nth terms are in the ration
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7
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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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8
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If 18, a, b - 3 are in A.P. then a + b =
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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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Find the 15th term of the sequence 20, 15, 10 . . . . .
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