Three letters are written to different persons and addresses on three envelopes are also written without looking at the address, the probability that the letters go into right envelopes is

\frac{1}{27}

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\frac{1}{6}

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\frac{1}{9}

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None of these

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Solution

The correct option is B $\frac{1}{6}$
Total no. of ways =3!=6 and favourable no.of ways =1.

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Three letters are written to different persons and addresses on three envelopes are also written without looking at the address, the probability that the letters go into right envelopes is

The correct option is B 16Total no. of ways =3!=6 and favourable no.of ways =1.

The correct option is B $\frac{1}{6}$
Total no. of ways =3!=6 and favourable no.of ways =1.