Question

100 and 200 items are produced by two machines A and B every day. Defective items produced by machine A and B simultaneously are 15 and 35. On picking up an item from a floor supervisor of the shop found it to be defective. What is the probability that it is from machine A?
A) 710
B) 310
C) 110
D) 910
E) None of these

Answer 1

Answer:

Step-by-step explanation:

NOne of these