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Q.

Which of the following express 6.4 as fractions?


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a

624

b

615 

c

625

d

635

answer is B.

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Detailed Solution

detailed_solution_thumbnail
Given, 6.4.
Multiply both numerator and denominator by 10 to convert the given decimal into fractional form,
6.4 = 6.4×1010
=6410
=325
Dividing 32 by 5,
6.4 = 625
Hence, the fraction in simplest form will be 6.4=625.
Therefore, option 2 is correct.
 
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