Answer:
Probability of picking a card with an even number is
.
Explanation:
There are 10 cards on which numbers are written 7, 11, 12, 13, 14, 18, 21, 23, 27 and 29.
These cards are placed on a table with the numbers facing down.
To find the probability of picking a card with an even number, first we count all the even numbers written on the cards.
12, 14 and 18 out of 10 cards there are 3 even numbers written on the cards.
So the probability of picking a card with an even number is
.