Question
In a class, there are 16 boys and 24 girls. One of them
is called out by an enroll number. What is the probability that the one called is a girl?Solution
Let S be the sample space. Total number of students in the class = 16 boys and 24 girls = 40 Then, n(S) = 40 Let E be the Event of calling one of them by enroll number Given that, number of girls = 24 Then, n(E) = 24 The probability that the one called is a girl = (n(S))/(n(E)) = 24/40 = 3/5
6000 3002 1503 ? 378.75 191.375 97.6875
...1, 27, ?, 343, 729, 1331
(32.03 + 111.98) ÷ 18.211 = 89.9 – 20.23% of ?
51 53 109 332 ? 6686
...9 4.5 4.5 9 36 ?
5 16 ? 66 119 200
...1 1 8 4 27 9 ?
...What will be the next number in the series?
2, 7, 23, 70, ?
There are three series given below which are following with the same pattern.
Series I: 1, 12, 38, 193, 1355
Series II: 6, B, C, D, E
...Direction: Which of the following will replace ‘?’ in the given question?
5, 18, ‘?’, 126, 296, 586, 1044
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