Windows are cleaned at a house every 7 days. Milk is delivered to the same house every 3 days.
On the 3rd June, the windows are cleaned and milk is delivered.
What is the next date when both happen on the same day?

24th

7-14-21

3-6-9-12-15-18-21

plus the three extra days gets you the 24th

1. 22

2. 1

3. 7

4. 18

step-by-step explanation

e2020 got it right

answer:

step-by-step explanation:

here, the total dishes = 10

dishes having meat = 3 ( chicken, meatloaf and hamburger )

thus, the probability of having meat on the chosen dishes = number of dishes having meat / total dishes

=

therefore, the probability of not having meat = 1- the probability of having meat on the chosen dishes

=

=

=

⇒ option b is correct.