Find the missing term in the sequence: 2, 6, 12, 20, 30, 42, ?
Answer and explanation
Correct answer: D. 56
- Step 1: Differences: 4, 6, 8, 10, 12. Next difference is 14. Step 2. 42 + 14 = 56. Alternatively n(n+1) for n=7 gives 56. Answer: 56. Why not the others:* 54 adds 12; 58 adds 16; 52 adds 10.
Practise more Penalaran Logis dan Analitis.
Free questions with an explanation for every one, and full timed UTBK-SNBT (Indonesia) mock tests.
More Penalaran Logis dan Analitis questions
- Consider five scholars: A, B, C, D, and E. 1) If A attends, both B and C attend. 2) If C attends, D does not attend. 3) Either D or E attend…
- In a quality lab, five samples (V, W, X, Y, Z) are processed in order: V is processed before W; X is processed immediately after Y; Z is pro…
- All senior analysts hold advanced financial certifications. Some senior analysts publish research on municipal bonds. Which deduction is nec…
- If deep ocean currents slow down, coastal weather patterns undergo rapid disruption. Coastal weather patterns have not undergone rapid disru…
- Identify the fallacy: 'Every distinguished architect understands load physics. Marcus understands load physics; therefore, Marcus is a disti…
- Four engineers (K, L, M, N) inspect structures 1, 2, 3, and 4. K does not inspect 1 or 4. L inspects an odd-numbered structure. M inspects s…