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What is the least number which when divided by 5, 6, 7 and 8 leaves a

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Intern
Joined: 19 Dec 2016
Posts: 45
Location: India
WE: Consulting (Computer Software)
What is the least number which when divided by 5, 6, 7 and 8 leaves a  [#permalink]

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17 Jul 2017, 13:38
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35% (medium)

Question Stats:

70% (01:54) correct 30% (01:46) wrong based on 53 sessions

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What is the least number which when divided by 5, 6, 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder?

A. 1108
B. 1683
C. 2007
D. 3363
E. 3339

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Manager
Joined: 23 May 2017
Posts: 235
Concentration: Finance, Accounting
WE: Programming (Energy and Utilities)
Re: What is the least number which when divided by 5, 6, 7 and 8 leaves a  [#permalink]

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17 Jul 2017, 13:51
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What is the least number which when divided by 5, 6, 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder?

A. 1108
B. 1683
C. 2007
D. 3363
E. 3339

As per the question , number must be divisible by 9

So only B , C and E remains - out of these only B when divided by 5 leaves 3 as remainder
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Re: What is the least number which when divided by 5, 6, 7 and 8 leaves a  [#permalink]

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17 Jul 2017, 14:15
1
Top Contributor
GTExl wrote:
What is the least number which when divided by 5, 6, 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder?

A. 1108
B. 1683
C. 2007
D. 3363
E. 3339

Kudo please if you liked the question.

The biggest tip here is that the number is divisible by 9.
IMPORTANT: if a number is divisible by 9, the sum of its digits is divisible by 9.
Check the answer choices....

A. 1108 sum of digits = 10 - not divisible by 9 - ELIMINATE
B. 1683 sum of digits = 18 - divisible by 9 - KEEP
C. 2007 sum of digits = 9 - divisible by 9 - KEEP
D. 3363 sum of digits = 15 - not divisible by 9 - ELIMINATE
E. 3339 sum of digits = 18 - divisible by 9 - KEEP

We're left with B, C and E

Next important tip: the number, when divided by 5 leaves a remainder 3
Some numbers that work are: 3, 8, 13, 18, 23, 28, 33, ...
So, the number in question must have either 3 or 8 as its units digit.

Check the remaining answer choices....
B. 1683 KEEP
C. 2007 ELIMINATE
E. 3339 ELIMINATE

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What is the least number which when divided by 5, 6, 7 and 8 leaves a  [#permalink]

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17 Jul 2017, 15:43
GTExl wrote:
What is the least number which when divided by 5, 6, 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder?

A. 1108
B. 1683
C. 2007
D. 3363
E. 3339

5*6*7*8=1680
(1680+3)/9=187
1683
B
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Re: What is the least number which when divided by 5, 6, 7 and 8 leaves a  [#permalink]

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19 Apr 2019, 09:15
GTExl wrote:
What is the least number which when divided by 5, 6, 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder?

A. 1108
B. 1683
C. 2007
D. 3363
E. 3339

for a number to be divisible by 9 , sum of no digits should be = 9
in this case option B is best match since it gives remainder of 3 also upon division with 5..
IMO B
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Joined: 27 Nov 2018
Posts: 36
GMAT 1: 510 Q33 V28
Re: What is the least number which when divided by 5, 6, 7 and 8 leaves a  [#permalink]

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19 Apr 2019, 10:18
gracie wrote:
GTExl wrote:
What is the least number which when divided by 5, 6, 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder?

A. 1108
B. 1683
C. 2007
D. 3363
E. 3339

5*6*7*8=1680
(1680+3)/9=187
1683
B

1680 is not the least number which is divisible by 5, 6, 7 & 8. The least number will be LCM of 5, 6 , 7 & 8 which is 840.
Re: What is the least number which when divided by 5, 6, 7 and 8 leaves a   [#permalink] 19 Apr 2019, 10:18
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