Mail - correctly and incorrectly addressed

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ranell: Master | Next Rank: 500 Posts; Posts: 224; Joined: Mon May 04, 2009 2:44 pm; Location: Russia, Moscow; Thanked: 10 times; GMAT Score:730

by ranell » Thu Aug 27, 2009 11:43 am

Nearly all mail that is correctly addressed arrives at its destination within two business days of being sent. In fact, correctly addressed mail takes longer than this only when it is damaged in transit. Overall, however, most mail arrives three business days or more after being sent.

If the statements above are true, which one of the following must be true?
(A) A large proportion of the mail that is correctly addressed is damaged in transit.
(B) No incorrectly addressed mail arrives within two business days of being sent.
(C) Most mail that arrives within two business days of being sent is correctly addressed.
(D) A large proportion of mail is incorrectly addressed.
(E) More mail arrives within two business days of being sent than arrives between two and three business days after being sent.

Please explain your answers. Later I will give official answer....

Source: Beat The GMAT — Critical Reasoning | Thu Aug 27, 2009 11:43 am

punitkaur: Master | Next Rank: 500 Posts; Posts: 168; Joined: Mon Apr 13, 2009 6:48 pm; Thanked: 6 times

by punitkaur » Thu Aug 27, 2009 12:19 pm

IMO C. My explainations are as follows -

A - Not always true because, what if large proportion of it was incorrectly addressed? in this choice it is assumed that most mail was correctly addressed but damaged which may not be the case always

B - The stimulus doesnt talk about incorrectly addressed mails.

C - Nearly all mail correctly addressed arrives within 2 days. If in the overall, there were some mails that arrived in 2 days, the chances of them correctly addressed are high. This is correct ans

D - Incorrectly addressed mails are not mentioned in stimulus
E - These details are not provided in the stimulus

I am still learning stuff in CR, so please correct me if you find anything illogical or if something does not make sense.

siddharth rastogi: Senior | Next Rank: 100 Posts; Posts: 66; Joined: Sun Aug 16, 2009 8:01 am; Thanked: 2 times

hi

by siddharth rastogi » Thu Aug 27, 2009 12:58 pm

IMO D

AS WE CAN CLLEARLY SAY FROM ARG THAT ALTEAST LAGRE PROPORTION OF LETTERS ARE DAMAGED AS MOST LETTERS REACHED IN ATLEAST 3 DAYS OF TIME

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