Question
Find the wrong number in the given series. 9, 18, 54, 270, 1899, 20790
Solution
The given series is multiplication of consecutive prime numbers starting from 2. 9 × 2 = 18 18 × 3 = 54 54 × 5 = 270 270 × 7 = 1890 1890 × 11 = 20790 So, ‘20790; is the incorrect term.
More Wrong Series Questions
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- 8, 20, 48, 108, 232, 482
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- In the following question, select the wrong number from the given alternatives. 8, 10, 16, 32, 48, 78, 120
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- Find out the Wrong number in the following number series. 2, 123, 204, 256, 278, 287
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