160k views
2 votes
What is the probability of randomly picking a five-digit number whose leftmost digit is 1 and units digit is 9 from all the odd five-digit numbers that have different digits? 1/80 1/40 1/25 1/20 1/10

1 Answer

2 votes

Answer:1/25

Step-by-step explanation: do 5 to the second power which will get all combinations then do 1 as the numerator over the denominator which is the number of combinations.

User Yoorek
by
4.7k points