How many 2-digit positive integers are divisible by 4 or 9?
32
22
34
30
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1
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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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2
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The 3rd and 8th term of an arithmetic progression are -13 and 2 respectively. What is the 14th term?
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3
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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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4
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Sum of n terms of the series \(\sqrt 2 + \sqrt 8 + \sqrt {18} + \sqrt {32} + \) ....... is
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5
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The number of terms of the A.P. 3, 7, 11, 15, ....... to be taken so that the sum is 406 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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A boy agrees to work at the rate of one rupee on the first day, two rupees on the second day, and four rupees on third day and so on. How much will the boy get if he started working on the 1st of February and finishes on the 20th of February?
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8
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The 4th and 7th term of an arithmetic progression are 11 and -4 respectively. What is the 15th term?
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9
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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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10
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If three numbers be in G.P., then their logarithms will be in
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