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varun289
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There are 4 letters and 4 corresponding envelopes. If we put the 4 letters into the envelopes at random, what is the probability that only one letter was into the exact envelope?
A) 1/8
B) 1/6
C) 1/3
D) 1/2
E) ¾
ans-c , how ??
A) 1/8
B) 1/6
C) 1/3
D) 1/2
E) ¾
ans-c , how ??
