Question

Probability that a student A can solve a certain problem is 3/4 and that
another student B can solve it is 4/5. If both try independently, what is

the probability that (i) the problem is solved? (ii) the problem is not
solved?​

Answer 1

Answer:

7/5

Step-by-step explanation:

we will take the lcm of 5 and 4 which is 20