Q130
Tickets numbered 1 to 50 are mixed and one ticket is drawn at random. Find the probability that the ticket drawn has a number which is a multiple of 4 or 7?
A.
Answer
B.
C.
D.
None of these
Answer: Option A
Solution
Answer: Option A
Solution:
S = {1, 2, 3, ........, 49, 50}E = {4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 7, 14, 21, 35, 42, 49}