What comes next in the series 4, 30, 9, 27, 14, 24, ?

19Correct answerYour answer20Correct answerYour answer21Correct answerYour answer23Correct answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer A

Correct answer: A

The terms jump up and down, so split them into two series.
1st, 3rd, 5th terms: 4, 9, 14 (add 5). 2nd, 4th, 6th terms: 30, 27, 24 (subtract 3).
The 7th term belongs to the first series: $14 + 5 = 19$ .

Worth noting

21 is the next term of the second series $(24 - 3)$ , but the 7th term is an odd place, so it continues the first series.

Ten questions from Number and Letter Series, at your own pace.

Ten questions from Number and Letter Series, at your own pace.

Explanation