If sum of n terms of an A.P. is 3n^{2} + 5n and T^{m} = 164 then m =
26
27
28
None Of This
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A bacteria gives birth to two new bacteria in each second and the life span of each bacteria is 5 seconds. The process of the reproduction is continuous until the death of the bacteria. initially there is one newly born bacteria at time t = 0, the find the total number of live bacteria just after 10 seconds :
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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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3
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The sum of first n odd natural numbers in
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4
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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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5
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The sum of first five multiples of 3 is:
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6
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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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7
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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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8
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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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9
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Which term of the A.P. 92, 88, 84, 80, ...... is 0?
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10
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Let S denotes the sum of n terms of an A.P. whose first term is a. If the common difference d is given by d = S_{n} – k S_{n1} + S_{n2} then k =
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