Solution:
We have, x< 4 < y
where,
x = {1, 2, 3} and y ={5, 6, 7, B, 9, 10}
Here, x have 3 options and y have 6 options
By multiplication rule,
Number of ordered pairs=3x6=18
If x < 4 < y then find the number of ordered pairs (x, y)
We have, x< 4 < y
where,
x = {1, 2, 3} and y ={5, 6, 7, B, 9, 10}
Here, x have 3 options and y have 6 options
By multiplication rule,
Number of ordered pairs=3x6=18