Mathematics for IGCSE & O level - Sequences (Section 4 - No. 42) | ExamPlay

Mathematics for IGCSE & O level - Sequences (Section 4 - No. 42)

What is the missing number in the sequence 1, 4, 10, __, 31, 46, ...?

19

20

21

22

Explanation

The sequence increases by the following amounts 3,6,9,12,15

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