LCM & HCF Quiz 2
Practice quiz on LCM & HCF (Quantitative Aptitude). 5 real exam questions.
About This Quiz
LCM & HCF Quiz 2 — 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.The HCF and LCM of two numbers are 6 and 72. If one number is 18, what is the other?
- A.12
- B.24
- C.36
- D.48
Show answer
Answer: B. 24
a × b = HCF × LCM → 18 × b = 6 × 72 → b = 24.
Q2.HCF of 16 and 28?
- A.2
- B.4
- C.6
- D.8
Show answer
Answer: B. 4
HCF = 4.
Q3.The HCF of 48 and 60 is:
- A.6
- B.12
- C.16
- D.18
Show answer
Answer: B. 12
HCF(48,60)=12.
Q4.LCM of 9 and 12?
- A.18
- B.24
- C.36
- D.48
Show answer
Answer: C. 36
LCM = 36.
Q5.LCM of 6 and 8 is:
- A.12
- B.18
- C.24
- D.48
Show answer
Answer: C. 24
LCM(6,8)=24.
Frequently Asked Questions
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Can I attempt LCM & HCF Quiz 2 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?
LCM & HCF 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.