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Q.

The rational number −46 115   in standard form is:


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a

− 2 5  

b

− 2 3  

c

− 2 4  

d

− 2 7   

answer is A.

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Detailed Solution

Given a rational number −46 115  .
A rational number is said to be in standard form if the common factor between numerator and denominator is only 1 and the denominator is always positive. Calculating the H.C.F of numerator and denominator,
H.C.F = 23
Now, dividing and multiplying by 23
= −46÷23 115÷23 = −2 5  
Standard form is − 2 5  .
Hence, option 1 is correct.
 
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