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siddharthkapoor
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09 Sep 2020, 20:47
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
85%
(hard)
Question Stats:
42% (01:52) correct
58%
(01:31)
wrong
based on 104
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The product of the units digit, the tens digit, the hundreds digit, and the thousands digit of the 4-digit integer k is 210. What is the units digit of k?
(1) k is divisible by 2.
(2) The thousands digit of k is an odd number
(1) k is divisible by 2.
(2) The thousands digit of k is an odd number
Updated on: 09 Sep 2020, 22:02
Originally posted by rajatchopra1994 on 09 Sep 2020, 21:18.
Last edited by rajatchopra1994 on 09 Sep 2020, 22:02, edited 1 time in total.
Last edited by rajatchopra1994 on 09 Sep 2020, 22:02, edited 1 time in total.
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Explanation:
To find : Unit digit of k?
4-digit integer k
Product of digits of K is 210.
Factors of 210 = 2x3x5x7
it can be 1x6x5x7
Statement 1: k is divisible by 2.
So unit digit can be 2 or 6
Sufficient
Not Sufficient
Statement 2: The thousands digit of k is an odd number.
Even number can be at hundred or tenth or unit digit
Not Sufficient.
IMO-E
siddharthkapoor
Are you sure answer is correct?
To find : Unit digit of k?
4-digit integer k
Product of digits of K is 210.
Factors of 210 = 2x3x5x7
it can be 1x6x5x7
Statement 1: k is divisible by 2.
So unit digit can be 2 or 6
Not Sufficient
Statement 2: The thousands digit of k is an odd number.
Even number can be at hundred or tenth or unit digit
Not Sufficient.
IMO-E
siddharthkapoor
Are you sure answer is correct?
siddharthkapoor
GMAT Club Reviews PM Intern
Joined: 10 Apr 2018
Last visit: 12 Sep 2025
Posts: 527
Own Kudos:
Given Kudos: 522
Location: India
Schools: ISB'22 (D)
GMAT 1: 680 Q48 V34
GPA: 3.3
Products:
09 Sep 2020, 21:26
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rajatchopra1994, yes, the OA I have given is correct. Statement 1 is not sufficient. 
Posted from my mobile device
Posted from my mobile device
