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:
9
10
11
12
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What is the sum of the first 13 terms of an arithmetic progression if the first term is -10 and last term is 26?
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2
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In an A.P., if d = -4, n = 7, an = 4, then a is
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3
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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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4
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The 3rd and 7th term of an arithmetic progression are -9 and 11 respectively. What is the 15th term?
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5
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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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6
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Consider an infinite G.P. with first term a and common ratio r, its sum is 4 and the second term is 3/4, then
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7
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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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8
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For an A.P. if a25 - a20 = 45, then d equals to:
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9
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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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10
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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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