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Previous Year Question (PYQs)
1
A letter is known to have come from either TATANAGAR or CALCUTTA. On the envelope, just two consecutive letters, TA, are visible. The probability that the letter has come from CALCUTTA is
Solution
TATANAGAR has $2$ occurrences of TA
CALCUTTA has $3$ occurrences of TA
Total occurrences $=5$
Required probability
$=\dfrac{3}{5}$
This is not listed.
Answer: $\boxed{\text{None of these}}$
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