Question

find the odd man out and name the category which the remaining three belong sodium, iron, phosphorus and potassium​

Answer 1

Explanation:

Cards numbered from 1 to 18 are put in a box and mixed thoroughly. One card is

drawn at a random. Find the probability that the card drawn bears:

i. a prime number

ii. a factor of 18

iii. a number divisible by 2 and 3