Aptitude  Decimal Fraction
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 Decimal Fraction  Formulas
 Decimal Fraction  General Questions
Evaluate :  (2.39)^{2}  (1.61)^{2} 
2.39  1.61 
Given Expression =  a^{2}  b^{2}  =  (a + b)(a  b)  = (a + b) = (2.39 + 1.61) = 4. 
a  b  (a  b) 
Required decimal =  1  =  1  = .00027 
60 x 60  3600 
The value of  (0.96)^{3}  (0.1)^{3}  is: 
(0.96)^{2} + 0.096 + (0.1)^{2} 
Given expression 





The value of  0.1 x 0.1 x 0.1 + 0.02 x 0.02 x 0.02  is: 
0.2 x 0.2 x 0.2 + 0.04 x 0.04 x 0.04 
Given expression =  (0.1)^{3} + (0.02)^{3}  =  1  = 0.125 
2^{3} [(0.1)^{3} + (0.02)^{3}]  8 
29.94  =  299.4 
1.45  14.5 
=  2994  x  1  [ Here, Substitute 172 in the place of 2994/14.5 ]  
14.5  10 
=  172 
10 
= 17.2