Question

Which of the following pairs represent equvalent
rational numbers
-2/5,7/-3​

Answer 1

Answer:Correct option is

A

90

36

​

.and.

130

52

​

(A)

90

36

​

=

15

6

​

=

5

2

​

130

52

​

=

65

26

​

=

13×5

13×2

​

=

5

2

​

∴

90

36

​

&

130

52

​

are equivalent rational numbers.

(B)

24

−15

​

=

8

−5

​

−72

−45

​

=

24

15

​

=

8

5

​

∴

24

−15

​

&

−72

−45

​

are not eqivalent rational numbers.

(C)

36

−11

​

and

72

22

​

Again since there signs are different , they are not equivalent rational numbers.

Step-by-step explanation: