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# If k/60125 = 0.001, what is the units digit of k?

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Math Expert
Joined: 02 Sep 2009
Posts: 53020
If k/60125 = 0.001, what is the units digit of k?  [#permalink]

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22 May 2017, 21:04
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15% (low)

Question Stats:

73% (00:40) correct 27% (00:56) wrong based on 183 sessions

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If k/60125 = 0.001, what is the units digit of k?

A. 0
B. 1
C. 2
D. 5
E. 6

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Re: If k/60125 = 0.001, what is the units digit of k?  [#permalink]

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22 May 2017, 21:29
1
Bunuel wrote:
If k/60125 = 0.001, what is the units digit of k?

A. 0
B. 1
C. 2
D. 5
E. 6

k = 60125 * 10^-3 = 60.125

(6*10^4 + 0*10^3 + 1*10^2 + 2 *10^1 + 5 * 10^0) * 10^-3 = 60.125

Hence (A)

please correct me if i am wrong
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Re: If k/60125 = 0.001, what is the units digit of k?  [#permalink]

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23 May 2017, 01:33
1
mynamegoeson wrote:
Bunuel wrote:
If k/60125 = 0.001, what is the units digit of k?

A. 0
B. 1
C. 2
D. 5
E. 6

k = 60125 * 10^-3 = 60.125

(6*10^4 + 0*10^3 + 1*10^2 + 2 *10^1 + 5 * 10^0) * 10^-3 = 60.125

Hence (A)

please correct me if i am wrong

its options A.. ur approach is right
CEO
Joined: 11 Sep 2015
Posts: 3440
Re: If k/60125 = 0.001, what is the units digit of k?  [#permalink]

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23 May 2017, 04:07
1
Top Contributor
Bunuel wrote:
If k/60125 = 0.001, what is the units digit of k?

A. 0
B. 1
C. 2
D. 5
E. 6

Given: k/60125 = 0.001
Rewrite right side as fraction: k/60125 = 1/1000
Cross multiply to get: (1000)(k) = (1)(60125)
Divide both sides by 1000 to get: k = 60125/1000 [there are 3 zeros in 1000, so when we divide by 1000, we move the decimal point 3 SPACES TO THE LEFT]
We get: k = 60.125

Cheers,
Brent
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Re: If k/60125 = 0.001, what is the units digit of k?  [#permalink]

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23 May 2017, 04:12
Bunuel wrote:
If k/60125 = 0.001, what is the units digit of k?

A. 0
B. 1
C. 2
D. 5
E. 6

$$\frac{k}{60125}$$ = 0.001
k = 60125 x 0.001 = 60.125

Units digit is 0.

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Re: If k/60125 = 0.001, what is the units digit of k?  [#permalink]

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23 May 2017, 04:24
$$\frac{k}{60125} = 0.001$$

$$\frac{k}{60125} = \frac{1}{1000}$$

k = 60.125

Ans: Option A
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If k/60125 = 0.001, what is the units digit of k?  [#permalink]

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23 May 2017, 07:54
Bunuel wrote:
If k/60125 = 0.001, what is the units digit of k?

A. 0
B. 1
C. 2
D. 5
E. 6

$$\frac{k}{60125} = 0.001$$

Or, $$\frac{k}{60125} = \frac{1}{1000}$$

Or, $$k = \frac{60125}{1000}$$

Or, $$k = 60.125$$

So, the units digit of k is 0

Hence, answer will be (A) 0
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Re: If k/60125 = 0.001, what is the units digit of k?  [#permalink]

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23 May 2017, 23:10
IMO answer is A, question is straight forward. Can someone post the OA?
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Posts: 53020
Re: If k/60125 = 0.001, what is the units digit of k?  [#permalink]

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23 May 2017, 23:34
utkarshthapak wrote:
IMO answer is A, question is straight forward. Can someone post the OA?

Please refer to the original post, which says: The OA will be automatically revealed on Monday 29th of May 2017 10:04:06 PM Pacific Time Zone
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Re: If k/60125 = 0.001, what is the units digit of k?  [#permalink]

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21 Jan 2019, 17:48
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: If k/60125 = 0.001, what is the units digit of k?   [#permalink] 21 Jan 2019, 17:48
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# If k/60125 = 0.001, what is the units digit of k?

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