Question 270 of 417MediumMCQ
One ticket selected from 50 tickets numbered 00--49. Find the probability the sum of digits is 8, given the product of digits is zero.
Solutions · 1
Official solution
Sum-8 tickets: {08,17,26,35,44}; product-zero tickets (14 total, e.g. 00--09, 10, 20, 30, 40). Only 08 satisfies both.
\[P = \frac{1}{14}\] Answer the question to unlock