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Aptitude - Decimal Fraction - Discussion

@ : Home > Aptitude > Decimal Fraction > General Questions - Discussion

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"Actions speak louder than words."
- (Proverb)
20. 

0.002 x 0.5 = ?

[A]. 0.0001[B]. 0.001
[C]. 0.01[D]. 0.1

Answer: Option A

Explanation:

2 x 5 = 10.

Sum of decimal places = 4

0.002 x 0.5 = 0.001
Gautam Sharma said: (Wed, Feb 16, 2011 01:23:16 AM)    
 
First Multiply 2x5 i.e.10
Since, Sum of decimal places is 4, then it become 0.0010
after decimal, 0 is not needed on any number between 1-9 so, we can write 0.0010 as 0.001
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