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 2 of 5.

Priz said: 1 decade ago

How come 35?

I need explanation.

(1)

Baljit kaur said: 5 years ago

Thanks All for explaining the problem.

AARAV BARNWAL said: 5 years ago

Thank you @Raviteja.

Jaival said: 7 years ago

Thank you for giving the answer.

Anusha said: 5 years ago

Thank You @NKC.

Shivi said: 7 years ago

Thanks @Sindhuroyal.

Prasanth v said: 7 years ago

Thank you @Nareshbora.

Abhishek said: 7 years ago

Thanks all for explaining the answer.

Bunny said: 8 years ago

How to find factors? Someone explain me.

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.

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