$$\left( {\frac{{1.49 \times 14.9 - 0.51 \times 5.1}}{{14.9 - 5.1}}} \right)$$ is equal to :
A. 0.20
B. 2.00
C. 20
D. 22
Answer: Option B
Solution(By Examveda Team)
$$\eqalign{ & \left( {\frac{{1.49 \times 1.49 \times 10 - 0.51 \times 0.51 \times 10}}{{1.49 \times 10 - 0.51 \times 10}}} \right) \cr & = \frac{{10\left[ {{{\left( {1.49} \right)}^2} - {{\left( {0.51} \right)}^2}} \right]}}{{10\left( {1.49 - 0.51} \right)}} \cr & = \left( {1.49 + 0.51} \right) \cr & = 2 \cr} $$Related Questions on Decimal Fraction
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