Q.


The five rational numbers between 3 5   and 4 5   are:

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

17 30 , 20 30 , 21 30 , 22 30  and  23 30  

b

19 30 , 20 30 , 21 30 , 22 30  and  25 30  

c

19 30 , 20 30 , 21 30 , 22 30  and  23 30  

d

19 30 , 20 30 , 27 30 , 22 30  and  23 30    

answer is C.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Given: Number are 3 5   and 4 5  .
Denominator Method:
As we are asked to find out 5 numbers between 3 5   and 4 5  , so we multiply the numerator and denominator of  3 5   and 4 5    by 5 + 1, i.e., 6.
Here, let us apply the denominator method:
Now, we shall multiply the numerator and denominator of 3 5   and 4 5   by 6:
3 5 = 3×6 5×6 = 18 30  and  4 5 = 4×6 5×6 = 24 30  
Now, let us Insert 5 rational numbers between 18 30    and 24 30   :
By increasing the numerators by 1 of 18 30   successively, we get the required 5 numbers:
19 30 , 20 30 , 21 30 , 22 30  and  23 30  
Hence, five rational numbers between 3 5    and 4 5  are:
19 30 , 20 30 , 21 30 , 22 30  and  23 30   Therefore, the correct option is 3.
 
Watch 3-min video & get full concept clarity

hear from our champions

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon
The five rational numbers between 3 5   and 4 5   are: