SSC
Sample Paper
SSC CHSL (10+2) Sample Test Paper-5
question_answer
If is an operation such that when a > 0, b > Cfor all other values of a and b. The value ofis
A)\[\frac{1}{5}\]
B) \[\frac{4}{5}\]
C)\[\frac{6}{5}\]
D) \[\frac{2}{5}\]
Correct Answer:
C
Solution :
Given\[a\]\[b=a+b\]when\[a>0,\,\,b>0\]. , for other values of\[a\]and\[b\] values of a and b Expression, \[=\frac{\sqrt{{{(8)}^{2}}+{{(-6)}^{2}}}-4}{\sqrt{{{(-3)}^{2}}+{{(-4)}^{2}}}}\] \[=\frac{\sqrt{64+36}-4}{\sqrt{9+16}}\] \[=\frac{\sqrt{100}-4}{\sqrt{25}}=\frac{10-4}{5}=\frac{6}{5}\]