53,130 ways.
There are 230300 ways.
435 ways.
The number of ways is 18C5 = 18!/(5!*13!) = 8,568 ways.
Q9. How many different ways can 4 tickets be selected from 50 tickets if each ticket wins a different prize.
In how many ways can fourfour women be selected from the eighteight ​women
They can be selected in 756 ways.
If there are 58 defective circuit boards, two can be selected in 58*57/2 = 1653 ways.
Since each ticket wins, the question is equivalent to the number of ways of selecting 4 tickets out of 20. This is 4845.
18x17= 306 ways
35
30240