Question

Dne
Three electric lamps are fitted in a room. Three bulbs are chosen at random from 20 bulbs
A bag contains 25 tickets numbered 1, 2, 3, ........25. A ticket is drawn out of it at random.
7.
good bulbs. What is the probability that room is lighted ?
8.
probability that the ticket drawn is a prime number.
1.
9.
Find p(Anā) ir p(AUB) = {p(4°) = ; and p(A^B) =
4
nte
CLASSROOM PACKAGE
3.
PEARL PACKAGE
Straight objective type questions :
Two cards are drawn at random from a pack of 52 cards. The probability that one of them ish
other is red is :
13
13
a)
b)
26
51
c)
13
102
d)
51
204
A bag contains 6 white and 4 black balls. Two balls are drawn at random. The probability
are of the same colour is​

Answer 1

Answer:

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