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HCF and LCM Aptitude Multiple Choice Questions and Answers for Placement

6 Find the greatest possible length which can be used to measure exactly the lengths 4 m 95 cm, 9 m and 16 m 65 cm.
A. 45 cm
B. 57 cm
C. 63 cm
D. 99 cm
See Answer & Explanation Lets Discuss
Correct answer is : A
Explanation

Required length = H.C.F. of 495 cm, 900 cm and 1665 cm.

495 = 32 x 5 x 11, 900 = 22 x 32 x 52, 1665 = 32 x 5 x 37.

H.C.F. = 32 x 5 = 45.

Hence, required length = 45 cm.

 
7

The HCF of two numbers is 12 and their difference is 12. The numbers are:

A.

66,78

B.

70,82

C.

94,206

D.

84,96

See Answer & Explanation Lets Discuss
Correct answer is : D
Explanation

Use the options to get the answer.

Out of the options only 84 and 96 have HCF as 12.

 
 

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HCF and LCM Aptitude Multiple Choice Questions and Answers with Explanation

HCF and LCM Aptitude Multiple Choice Questions and Answers for Government Sector job preparation. HCF and LCM Aptitude MCQ are very important for exams like CAT,MAT,XAT, SSC IBPS, Bank PO, BPSC, UPSC, Govt Jobs, Bank Clerk , UPPSC etc.

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