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

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

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New post 22 May 2017, 22:04
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A
B
C
D
E

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70% (00:43) correct 30% (00:52) wrong based on 220 sessions

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

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New post 22 May 2017, 22:29
2
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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New post 23 May 2017, 02:33
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
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Re: If k/60125 = 0.001, what is the units digit of k?  [#permalink]

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New post 23 May 2017, 05:07
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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

Answer:

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

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New post 23 May 2017, 05:12
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.
Answer A...

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

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New post 23 May 2017, 05:24
\(\frac{k}{60125} = 0.001\)

\(\frac{k}{60125} = \frac{1}{1000}\)

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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New post 23 May 2017, 08:54
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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New post 24 May 2017, 00:10
IMO answer is A, question is straight forward. Can someone post the OA?
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Re: If k/60125 = 0.001, what is the units digit of k?  [#permalink]

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New post 24 May 2017, 00:34
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Re: If k/60125 = 0.001, what is the units digit of k?  [#permalink]

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Re: If k/60125 = 0.001, what is the units digit of k?   [#permalink] 21 Jan 2019, 18:48
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