Number Series — practice questions, page 5
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Which term is wrong in 2, 6, 18, 56, 162, 486?The series 8, 27, 64, 125, 216, 344, 512 contains one wrong term. Find it.Which term breaks the pattern in 2, 5, 14, 41, 123, 365?What should replace the question mark: 8, 15, 29, 57, 113, ?Exactly one term in 2, 6, 14, 30, 62, 124 is wrong. Identify it.Pick out the odd term in the sequence 4, 7, 12, 19, 28, 39, 52, 68.One number does not fit the pattern of 5, 11, 23, 47, 95, 192. Which is it?Name the term that follows 2, 3, 5, 7, 11, 13, ?In the series 4, 8, 16, 32, 60, 128, which term is wrong?In the series 2, 3, 5, 8, 12, 17, 24, which term is wrong?The list 2, 3, 5, 7, 11, 15, 17 is meant to follow one simple rule. Which number is out of place?Fill the gap in the series: 5, 15, 45, 135, ?, 1215In the series 5, 10, 20, 40, 85, 160, which number is wrong?Pick out the incorrect number in the series 2, 3, 7, 22, 89, 445.Meera notices the pattern 3, 8, 15, 24, 35, … What is the next number?Which term follows 3, 6, 18, 36, 108 in this series?One term in the series is wrong: 2, 5, 10, 17, 26, 37, 49. Which number is wrong?One term in the series is wrong: 3, 6, 12, 24, 46, 96. Which number is wrong?One term in the series is wrong: 5, 11, 23, 48, 95, 191. Which number is wrong?One term in the series is wrong: 4, 5, 12, 39, 158, 805. Which number is wrong?Complete the pattern: 3, 11, 27, 59, 123, ?2, 9, 23, 51, 107, ? — which number continues the pattern?In the sequence 4, 8, 16, 28, 44, ?, what is the next number?Find the term that comes after 101, 82, 65, 50, 37 in the series.One number in this series does not fit the pattern: 3, 12, 48, 190, 768, 3072. Which one?
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