Series Quiz 3
Practice quiz on Series (Reasoning Ability). 5 real exam questions.
About This Quiz
Series Quiz 3 — Questions with Solutions
All 5 questions from this quiz with the correct answer and explanation. Attempt them yourself first, then open each solution to check your reasoning.
Q1.Find the missing number: 3, 9, 27, 81, ?
- A.162
- B.243
- C.324
- D.405
Show answer
Answer: B. 243
Series ×3 each step.
Q2.Find the next letter: D, G, K, P, ?
- A.R
- B.S
- C.T
- D.U
Show answer
Answer: D. U
+3, +4, +5, +6 → P+6=V. Correction: Should be V.
Q3.Find missing: B, E, H, K, ?
- A.N
- B.M
- C.L
- D.O
Show answer
Answer: A. N
+3 pattern.
Q4.Which number is missing? 4, 9, 19, 39, ?
- A.59
- B.79
- C.69
- D.89
Show answer
Answer: B. 79
Pattern: ×2+1, ×2+1, ×2+1 → 39×2+1=79.
Q5.Find next: 3, 6, 12, 24, ?
- A.36
- B.48
- C.60
- D.72
Show answer
Answer: B. 48
×2 pattern.
Frequently Asked Questions
Is Series Quiz 3 free to attempt on AajExam?
Yes. Series Quiz 3 is completely free. You only need a free AajExam account to track your score, view detailed solutions and unlock cross-attempt analytics.
How long does it take to complete Series Quiz 3?
Series Quiz 3 runs on a 1-minute timer in real exam-style conditions. The clock starts the moment you click Start, mirroring the time pressure of the actual exam.
Are detailed solutions provided?
Yes. Every question on Series Quiz 3 ships with a complete step-by-step solution, the underlying concept, and (where applicable) shortcut tricks. You can also discuss any question with the AajExam community.
Can I attempt Series Quiz 3 multiple times?
Yes. You can attempt this quiz as many times as you like. Each attempt is recorded separately so you can track improvement in score, accuracy and time-management.
Which government exams does this quiz prepare me for?
Series questions appear regularly in SSC CGL, CHSL, MTS, GD; IBPS PO, Clerk; SBI PO, Clerk; RRB NTPC, Group D; UPSC prelims and most State PSC exams. The specific weightage varies by exam — check the exam pattern on the corresponding AajExam exam page for details.