Aptitude - Problems on H.C.F and L.C.M - Discussion

Discussion Forum : Problems on H.C.F and L.C.M - General Questions (Q.No. 21)

Problems on H.C.F and L.C.M

21.

The greatest possible length which can be used to measure exactly the lengths 7 m, 3 m 85 cm, 12 m 95 cm is:

15 cm

25 cm

35 cm

42 cm

Answer: Option

Explanation:

Required length = H.C.F. of 700 cm, 385 cm and 1295 cm = 35 cm.

Discussion:

42 comments Page 3 of 5.

Baljit kaur said: 5 years ago

Thanks All for explaining the problem.

Sanjeev said: 7 years ago

Why did you consider 385 and 700 only?

(1)

Vipin said: 10 years ago

Why 85 cm is considering to find HCF?

Pritam said: 10 years ago

Could not understand why HCF not LCM?

Suman said: 8 years ago

Thank you all for the given solution.

Abhishek said: 7 years ago

Thanks all for explaining the answer.

Arun said: 9 years ago

Good explanation, Thank you friends.

Mouni said: 4 years ago

HCF of 551 and 1073 = 29+19+27 = 85.

(2)

Sakthivel.k said: 9 years ago

Correct explanations thank you all.

Dilbag said: 8 years ago

Superb explanations. Thank you all.

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