M4maths Previous Puzzles

19 Apr 2018 Probability

An alphanumeric character is randomly selected from following sentence:
"Mathematics is the art of giving the same name to different things"

What is the probability that its an vowel or letter R?
Note: Alphanumeric character means alphabet or number. Space and other characters should be ignored.

OPtion

1) 2/5
2) 7/18
3) 6/17
4) 1/3
5) 19/59
6) 19/55
7) 21/58
8) 22/59
9) 17/55
10) None of these

Solution

Sentence = Mathematics is the art of giving the same name to different things.


Total number of alphanumeric character in the sentence = 55
Total Number of vowels = 20 (AEAIIEAOIIEAEAEOIEEI)

And Total number of Rs = 2

Probability = (20+2)/55 = 22/55 = 2/5

Correct Option: 1 Best Solution (0)