JEE Math Practice Question
One ticket is selected at random from $$50$$ tickets numbered $$00, 01, 02, ...., 49.$$ Then the probability that the sum of the digits on the selected ticket is $$8$$, given that the product of these digits is zer, equals :
- A.$${1 \over 7}$$
- B.$${5 \over 14}$$
- C.$${1 \over 50}$$
- D.$${1 \over 14}$$
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