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Q.

The product of two decimals is 1.824. If one of them is 0.64, find the other number.


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a

2.385

b

2.85

c

3.26

d

6.24 

answer is B.

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Detailed Solution

Given, product of two decimals is 1.824 and one number is 0.64.
Then, another number =1.824÷0.64.
⇒ 1.824 0.64 ⇒ 1.824×100 0.64×100 ⇒ 182.4 64 ⇒2.85  
The other number is 2.85.
Hence option 2 is correct.
 
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