If ⊗ is an operation such that a ⊗ b = 2a when a > b, a + b when a < b, a2 when a = b, then $$\left[ {\frac{{\left( {5 \otimes 7} \right) + \left( {4 \otimes 4} \right)}}{{3\left( {5 \otimes 5} \right) - \left( {15 \otimes 11} \right) - 3}}} \right]$$ is equal to?
A. $$\frac{1}{3}$$
B. $$\frac{{14}}{{23}}$$
C. $$\frac{2}{3}$$
D. $$\frac{{14}}{{13}}$$
Answer: Option C
Solution(By Examveda Team)
$$\eqalign{ & {\text{Given, }}a \otimes b = 2a{\text{ }} \cr & {\text{Where }}a > b \cr & a \otimes b = a + b \cr & {\text{Where }}a < b \cr & a \otimes b = {a^2} \cr & {\text{Where }}a = b \cr & \frac{{\left( {5 \otimes 7} \right) + \left( {4 \otimes 4} \right)}}{{3\left( {5 \otimes 5} \right) - \left( {15 \otimes 11} \right) - 3}}{\text{ }} \cr & {\text{ = }}\frac{{\left( {5 + 7} \right) + {{\left( 4 \right)}^2}}}{{3{{\left( 5 \right)}^2} - \left( {2 \times 15} \right) - 3}} \cr & {\text{ = }}\frac{{12 + 16}}{{75 - 30 - 3}} \cr & {\text{ = }}\frac{{28}}{{42}} \cr & {\text{ = }}\frac{2}{3} \cr} $$Related Questions on Algebra
If $$p \times q = p + q + \frac{p}{q}{\text{,}}$$ then the value of 8 × 2 is?
A. 6
B. 10
C. 14
D. 16
A. $$1 + \frac{1}{{x + 4}}$$
B. x + 4
C. $$\frac{1}{x}$$
D. $$\frac{{x + 4}}{x}$$
A. $$\frac{{20}}{{27}}$$
B. $$\frac{{27}}{{20}}$$
C. $$\frac{6}{8}$$
D. $$\frac{8}{6}$$
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