Question

Cards with numbers 2 to 101 are placed in a box. A card is selected at random. Find the probability that

the card has

(i) a two-digitnumber

(ii) a perfect squarenumber.

(iii) An even numbe​

Answer 1

Step-by-step explanation:

from 2-101 There are total 100 numbers

from 2-101 - There are 90 two digit numbers

from 2-101 There are 10 perfect square number

from 2-101 there are 50 even numbers

so (i) Two digit number/total numbers

= 90/100

= 0.9

(ii) No. perfect square number/total numbers

= 10/100

= 0.1

(iii) No. of even numbers/Total numbers

= 50/100

= 0.5

Now to verify

add all the probabilities

you will get the result as 1

hope it helps you