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What is the units digit of the three-digit integer N?

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by AAPL » Fri Oct 02, 2020 6:18 am

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B

C

D

E

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What is the units digit of the three-digit integer N?

1) When N is rounded to the nearest hundred, the result is 50 less than the result when N is rounded to the nearest ten.
2) N is divisible by 4.

OA C
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Source: — Data Sufficiency |
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Re: What is the units digit of the three-digit integer N?

by DHRJ007 » Sat Oct 03, 2020 10:01 pm
1) Consider the number 654
When rounded to nearest hundred , it gives 700
When rounded to nearest ten ,it gives 650
Diff = 50
But while rounding to nearest place , unit place can have values 4,3,2,1
All of the above unit place values can provide the answer..
So INSUFFICINT

2) Alone is INSUFFICIENT


On combining ,
There are four possibilities :
651,652,653,654
Out of which only 652 is divisible by 4
So unit place value will be 2.
SUFFICIENT.


ans: C
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