Three letters are to be sent to different persons and addresses on the three envelopes are also written. Without looking at the addresses, the probability that the letters go into the right envelope is equal to [MNR 1982; MP PET 1990; Orissa JEE 2004]

Three letters are to be sent to different persons and addresses on the

1.	Three letters are to be sent to different persons and addresses on the three envelopes are also written. Without looking at the addresses, the probability that the letters go into the right envelope is equal to [MNR 1982; MP PET 1990; Orissa JEE 2004]
A.	\[\frac{1}{27}\]
B.	\[\frac{1}{9}\]
C.	\[\frac{4}{27}\]
D.	\[\frac{1}{6}\]
Answer» E.

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Three letters are to be sent to different persons and addresses on the three envelopes are also written. Without looking at the addresses, the probability that the letters go into the right envelope is equal to [MNR 1982; MP PET 1990; Orissa JEE 2004]

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