Find the next number in the sequence: 6, 15, 24, 33, 42, ?

Answer and explanation

Correct answer: C. 51

  1. Step 1: The differences are all .
  2. Step 2: Next term .
Answer
51.
Why not the others: 60: it skips a term. 84: it doubles the last term.

Practise more Number Sequences.

Free questions with an explanation for every one, and full timed Civil Service Recruitment: CRE and Basic Law Test (Hong Kong) mock tests.

Revise with flashcards

Find the next number… | Civil Service Recruitment: CRE and Basic Law Test (Hong Kong)