Multiple choice

Directions: In each of these questions a number series is given. In each series only one number is wrong. Find out the wrong number. 980, 1003, 1032, 1063, 1099, 1141, 1184

  1. 1063

  2. 1141

  3. 1099

  4. 1032

  5. 980
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C Correct answer
Explanation

Differences: 1003-980=23, 1032-1003=29, 1063-1032=31, 1099-1063=36, 1141-1099=42, 1184-1141=43. The pattern of differences is prime numbers: 23, 29, 31, 37, 41, 43. 1063+37 = 1100. So 1099 is the wrong number.

AI explanation

The differences between the consecutive terms are consecutive prime numbers starting from 23. The correct sequence of additions is +23, +29, +31, +37, +41, +43, which makes the terms 980, 1003, 1032, 1063, 1100, 1141, 1184. Therefore, the number 1099 is incorrect and should be 1100. The result is 1099.

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