What is the probability of picking an ace from a pack of cards?

Category: QuestionsWhat is the probability of picking an ace from a pack of cards?
Editor">Editor Staff asked 11 months ago

What is the probability of picking an ace from a pack of cards?
 
(a) 1/8
 
(b) 1/6
 
(c) 1/2
 
(d) 1/13
 
I had been asked this question during an interview for a job.
 
The doubt is from Random Variables and its Probability Distributions topic in chapter Probability of Mathematics – Class 12
NCERT Solutions for Subject Clas 12 Math Select the correct answer from above options 
Interview Questions and Answers, Database Interview Questions and Answers for Freshers and Experience

1 Answers
Editor">Editor Staff answered 11 months ago

Correct choice is (d) 1/13
 
The explanation is: Total number cards in a pack = 52
 
Total number of aces in a pack of cards = 4
 
Total probability =
numberofaces
numberofcardsinapack
=
4
52
=
1
13