Question

Check whether the rational number 9 lies between the rational numbers 1 and 2 or not.

Answer 1

Answer:

Step-by-step explanation:For  

5

3

​  

 multiply numerator and denominator by 15 to make denominator 75 that comes into  

75

45

​  

.

Similarly doing for second then we have  

75

50

​  

.

Now question is asking about rational lying between them.

So, we need to check the numerator only that lies in between 45 and 50 or not.

Clearly D is correct.