Question

A number card is drawn randomly from the set of number from 6 to 40. What is the probability that the card may be prime number or a cube number ?

a) 0.4
b)0.47
c) 0.41
d) 0.43

Answer 1

C) 0.41

Explanation:

Total number of possible outcomes = 34

Prime numbers from 6 to 40= 13

7,11,13,15,17,19,23,29,31,33,35,37,39

Cube number between 6 to 40 = 1

3x3x3=27

No of prime numbers + cube numbers = 14

Probability
`(14)/(34) =0.41`