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# How many zeros are the end of ?

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Current Student
Joined: 03 Sep 2012
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How many zeros are the end of ?  [#permalink]

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15 Nov 2012, 07:23
2
22
00:00

Difficulty:

15% (low)

Question Stats:

74% (01:14) correct 26% (01:16) wrong based on 1586 sessions

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How many zeros are at the end of 380! ?

(A) 90
(B) 91
(C) 94
(D) None
(E) 95

In order to find the number of zeros we have to find out the number of 5's and 2's , because no. of 5's will be less then the number of 2's ..

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How many zeros are the end of ?  [#permalink]

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15 Nov 2012, 07:41
4
10
##### General Discussion
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Joined: 21 Jul 2017
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Re: How many zeros are the end of ?  [#permalink]

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10 Sep 2017, 05:25
1
380/5 = 76

76/5= 15

15/5= 3

Sum of these quotients. Answer C
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Re: How many zeros are the end of ?  [#permalink]

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13 Jan 2018, 15:47
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Re: How many zeros are the end of ?  [#permalink]

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13 Jan 2018, 15:57
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Re: How many zeros are the end of ?  [#permalink]

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14 Jan 2018, 09:25
vomhorizon wrote:
How many zeros are at the end of 380! ?

(A) 90
(B) 91
(C) 94
(D) None
(E) 95

In order to find the number of zeros we have to find out the number of 5's and 2's , because no. of 5's will be less then the number of 2's ..

$$\frac{380}{5} = 76$$
$$\frac{76}{5} = 15$$
$$\frac{15}{5} = 3$$

So, the total number of 0's in the end of 380! is 76+15+ 3 = 94 , answer will be (C)
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Re: How many zeros are the end of ?  [#permalink]

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18 Jan 2019, 07:31
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Re: How many zeros are the end of ?   [#permalink] 18 Jan 2019, 07:31
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