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. 8)
8.
The G.C.D. of 1.08, 0.36 and 0.9 is:
0.03
0.9
0.18
0.108
Answer: Option
Explanation:

Given numbers are 1.08, 0.36 and 0.90.   H.C.F. of 108, 36 and 90 is 18,

H.C.F. of given numbers = 0.18.

Discussion:
78 comments Page 4 of 8.

Angie said:   7 years ago
0.9 is greater than 0.18. So 0.9 should be the answer.

Avinash Khapare said:   7 years ago
@Priya.

Just multiply that no's by 100 then find HCF and when you got HCF then again divide the HCF by 100.

Avinash Khapare said:   7 years ago
@Angie.

It's 0.09 not 0.9.

Mani said:   6 years ago
I can't understand please explain.

Pavithra said:   6 years ago
Actually the question is correct but their is no option in that the answer will be 2/100 = 0.02.

Jaspreet said:   6 years ago
If 0.9 will be 0.09 then.

Karan said:   5 years ago
Here the answer given is 0.18.

1. Those who are saying why it is taken as 90/100 and not 9/10,the corresponding numbers are equal (multiply 10 on numerator and denominator).

2.0.18 can't be a factor of 0.9 because 0.9 is smaller than 0.18.so 0.18 can't divide 0.9.
for example 6 cannot divide 3 because 6 is a bigger number.

So, the correct answer would be 9/100 i.e 0.09.

Keerthi said:   5 years ago
Why we won't do the lcm for denominators, According to the formula? Please anyone explain.

Thisha said:   2 months ago
I need a perfect answer. Please explain to me.

Pooji said:   1 month ago
Please explain the answer.


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