+91-8076753736 [email protected]

-->

Introduction To Mathematical Modelling

Question

Wired Faculty App

There are 60 boys and 40 girls in a class. A student is selected at random. Find the probability that the student is a girl.
$1 fifth$
$2 over 5$
$space 3 over 5$
$4 over 5$

Solution

B.

2 over 5

Some More Questions From Introduction to Mathematical Modelling Chapter

Activity: Note the frequency of two wheelers, three wheelers and four wheelers going past during a time interval, in front of your school gate. Find the probability that any one vehicle out of the total vehicles you have observed is a two-wheeler.

Activity: Ask all the students in your class to write a 3-digit number. Choose any student from the room at random. What is the probability that the number written by her/him is divisible by 3 ? Remember that a number is divisible by 3, if the sum of its digits is divisible by 3.

Mock Test Series

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation