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Please help...DS question

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Source: — Data Sufficiency |
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by jonathan123456 » Sat Jul 23, 2011 12:44 pm
Tens digit is 4
Range of K -> 35 to 44 both inclusive

1. K> 35. It can be between 35 to 44. So not helpful
2. the units digit of k is greater than 5
K's units digit can be from 5 to 9 only if tens digit is 3

So tens digit is 3

IMO B. Whats the OA?
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by winniethepooh » Sat Jul 23, 2011 6:34 pm
2.Answer is A.


1.You get 1.7 service errors in Division A per 100 customers. so 3-1.7 is the customer errors per 100 customers in division B.
Sufficient.

2. You get no info from 2 about the errors in dividion B.
Not Suffiecient.
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by winniethepooh » Sat Jul 23, 2011 6:36 pm
Please post 1 question per thread.
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