Two A.P.’s have the same common difference. The first term of one of these is 8 and that of the other is 3. The difference between their 30th terms is
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1
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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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2
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How many 2-digit positive integers are divisible by 4 or 9?
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3
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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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4
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The sum of the first four terms of an A.P. is 56. The sum of the last four terms is 112. If its first term is 11, the number of terms is
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5
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The sum of the first and third term of an arithmetic progression is 12 and the product of first and second term is 24, then first term is
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6
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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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7
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Which term of the A.P. 92, 88, 84, 80, ...... is 0?
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8
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If 7 times the seventh term of an Arithmetic Progression (AP) is equal to 11 times its eleventh term, then the 18th term of the AP will be
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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 18, a, b - 3 are in A.P. then a + b =
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