Question

Mr. Joseph instructed her fifteen students to stand in a straight line at a distance of

1 metre each and assigned numbers 1 to 15 to each student in such a way that odd

numbers were given to boys and even numbers were given to girls.
(i) List the rational numbers formed by students.


(ii) How many positive rational numbers are there?

(i) 1 (ii) 2 (iii) 3 (iv) 4


(iii) How many negative rational numbers are there?

(i) 1 (ii) 2 (iii) 3 (iv) 4


(iv) How many integers are there?

(i)1 (ii) 2 (iii) 3 (iv) 4​

Answer 1

1-3, 2-1, 3-2, 4-1

this is the correct answer

Answer 2

The answers to the given questions are as follows:

(i). $\frac{1}{1}, \frac{2}{1}, \frac{3}{1}, \frac{4}{1}, \frac{5}{1}, \frac{6}{1}, \frac{7}{1}, \frac{8}{1}, \frac{9}{1}, \frac{10}{1}, \frac{11}{1}, \frac{12}{1}, \frac{13}{1}, \frac{14}{1}, and \frac{15}{1}$ are the rational numbers formed by students.

(ii). There are 15 positive rational numbers.

(iii). Zero.

(iv). There are 15 integers.