Mathematics
A card is drawn from a well-shuffled pack of 52 cards. The probability of the card drawn to be king and jack is : 1. 1 2. 0 3. 4.
Related Questions
A single letter is selected at random from the word 'Probability'. Find the probability that it is a vowel.
Ramesh chooses a date at random in January for a party (see the following figure).
Find the probability that he chooses :
(i) a Wednesday
(ii) a Friday
(iii) a Tuesday or a Saturday.
JANUARY Mon. 6 13 20 27 Tue. 7 14 21 28 Wed. 1 8 15 22 29 Thu. 2 9 16 23 30 Fri. 3 10 17 24 31 Sat. 4 11 18 25 Sun. 5 12 19 26 Out of 800 identical articles some are selected and remaining are rejected. If the probability of an article to be rejected is 0.425; the number of rejected articles is :
340
800
430
560