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Q.

Find two rational numbers between 2 3   and 4 5   .


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a

21 30  and  22 30  

b

25 30  and  26 30  

c

27 30  and  28 30  

d

12 30  and  13 30   

answer is A.

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Detailed Solution

Given numbers, 2 3   and 4 5  .
Calculate the rational numbers.
The rational number between 2 3   and 4 5   are given by,  2×5 3×5 = 10 15 4×3 5×3 = 12 15   By solving further,  ⇒ 10×2 15×2 = 20 30 ⇒ 12×2 15×2 = 24 30   Hence,  ⇒ 21 30  and  22 30  .
The rational numbers between 2 3  and  4 5  are  21 30  and  22 30  .
Hence, the correct option is 1.
 
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Find two rational numbers between 2 3   and 4 5   .