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)
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 1 of 5.

Ajay said:   7 months ago
1 meter =100cm.
7 meter become 700 cm,
3m 85cm become 385cm,
12m 95cm became 1295cm,
HCF of 700,385,1295 is 35,
So, 35 is the required answer.

Jitan said:   2 years ago
Why we multiply 700 with 385?

Anyone, explain this step in detail?
(5)

Mouni said:   4 years ago
HCF of 551 and 1073 = 29+19+27 = 85.
(2)

Sagat said:   5 years ago
Thank you all for explaining.
(2)

Anusha said:   5 years ago
Thank You @NKC.

AARAV BARNWAL said:   5 years ago
Thank you @Raviteja.

Baljit kaur said:   5 years ago
Thanks All for explaining the problem.

Sanjay said:   6 years ago
Can anyone explain me clearly to get it?
(5)

Sanjeev said:   7 years ago
Why did you consider 385 and 700 only?
(1)

Jaival said:   7 years ago
Thank you for giving the answer.


Post your comments here:

Your comments will be displayed after verification.