What is the probability that a number selected from numbers 1,2,3,………..,30, is prime number, when each of the given numbers is equality likely to be selected
X={2,3,5,7,11,13,17,19,29}
Total number of prime numbers n(X)=10
Total numbers n(S) =30
∴ Required probability = n(X)/n(S)=10/30
Directions (next five questions) : Refer to the graph and answer the given questions.
Data related to number of candidates
Appearing for an entrance test from various cities
(Number in Lakhs)
If the total number of candidates appearing from all the cities together in year 2014 is 10% more than that in 2013, then what is the total number of candidates in the year 2014
What is the respective ratio of the number of students appearing for the entrance test from cities B,C and F in the year 2012 to the number of students appearing for the entrance test in the year 2013 from the same cities
The number of candidates appearing for the entrance test from city D in the year 2013 is what percent more than the number of candidates appearing for the entrance test from city C in the same year
What is the average number of candidates appearing for the entrance test from all cities together in the year 2012
What is the respective ratio of the number of candidates appearing for the entrance test from city A in 2013 and city E in the same year