Which of the following is a rational number between  and ?

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NTPC CBT-I (Held On: 20 Jan 2021 Shift 1)
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Answer (Detailed Solution Below)

Option 3 :
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RRB NTPC Graduate Level Full Test - 01
100 Qs. 100 Marks 90 Mins

Detailed Solution

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Given

√ 5 and  √7

Concept

Rational numbers are those numbers which are either terminating, non terminating or recurring.

Calculation

√5 = 2.236 and √7 = 2.64

rational number lies between the 2.33... and 2.64...

so, only  is the number which lies between 2.236 and 2.64

∴  is a rational number between  and 

 

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