LCM and HCF Questions and Answers for Competitive Exams
In this article, we provided the latest LCM and HCF Question and Answer 2021. The LCM and HCF questions and answers are mostly asked in all competitive exams. Eg:- Union Public Service Commission, State Public Service Commission, Staff Selection Commission, Railway Recruitment Board, etc. In this, questions related to the classification are asked.
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LCM and HCF questions for competitive exams
Here four options are given for each question. Out of which one option is correct. You have to choose the correct option. Similar questions are asked in the exam also. So read and memorize these questions again and again. You can visit and prepare for your competitive exams freely conveniently. Candidates or students prepare here with the help of these online questions and answer free mock test online tests. You can evaluate your general awareness questions preparation skills by trying the online test exams and know your score.
LCM and HCF questions answers pdf Download
11. The sum of two number is 528 and their HCF is 33. How many pairs of such numbers can be?
(A) 1
(B) 2
(C) 3
(D) 4
(E) None of these
12. HCF of x2– y2 and x3 – y3 is
(A) x3 – y3
(B) x2 – y2
(C) x – y
(D) Cannot be determined
(E) None of these
13. HCF of 2/3, 4/5 and 6/7 is
(A) 16/105
(B) 48/105
(C) 24/105
(D) 2/105
(E) None of these
14. What is the LCM of 120 and 450?
(A) 3600
(B) 4800
(C) 1800
(D) 2400
15. The HCF of two numbers is 24. The number which can be their LCM is
(A) 148
(B) 84
(C) 120
(D) 128
(E) None of these
LCM and HCF quiz
16. The product of two numbers is 35828 and their HCF is 26. Find their LCM.
(A) 1378
(B) 931788
(C) 689
(D) 3583
(E) None of these
17. Two numbers are in the ratio 3 : 4. If their LCM is 240, the smaller of the two number is
(A) 100
(B) 50
(C) 80
(D) 60
(E) None of these
18. The length, breadth and height of a room are 363m, 528m and 693m respectively. Determine the longest tape that can measure the three dimensions of the room exactly.
(A) 30 metre
(B) 35 metre
(C) 33 metre
(D) 27 metre
(E) None of these
19. The HCF of 252, 294 and 3#8 is 42, what is #?
(A) 4
(B) 7
(C) 2
(D) 8
(E) None of these
20. Find the highest common factor of 72 and 168.
(A) 6
(B) 12
(C) 63
(D) 24
(E) None of these
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