A bag contains tickets which are numbered from 4 to 50. Find a probability that a ticket number picked up at random is a multiple of 7 or 3
Answers
Answered by
5
Answer:
20/47
Step-by-step explanation:
Multiples of 3=6,9,12,15,18,21,24,27,30,33,
36,39,42,45,48
:15 numbers
Multiples of 7=7,14,21,28,35,42,49
:7 numbers
Common numbers:21,42
Therefore,Total numbers=15+7-2=20 numbers
Total numbers from 4 to 50:47 numbers
Probability:20/47
Similar questions