How many terms are there in the GP 5, 20, 80, 320........... 20480?
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1
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What is the sum of all 3 digit numbers that leave a remainder of '2' when divided by 3?
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10
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Which term of the A.P. 24, 21, 18, ............ is the first negative term?
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2
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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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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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If S1 is the sum of an arithmetic progression of ‘n’ odd number of terms and S2 is the sum of the terms of the series in odd places, then S1S2
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5
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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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6
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If k, 2k – 1 and 2k + 1 are three consecutive terms of an AP, the value of k is
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7
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Find the first term of an AP whose 8th and 12th terms are respectively 39 and 59.
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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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A square is drawn by joining the mid points of the sides of a given square in the same way and this process continues indefinitely. If a side of the first square is 4 cm, determine the sum of the areas all the square.
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