A) 18
B) 22
C) 20
D) 24
Correct Answer: B
Solution :
\[a\,=\,13\frac{4}{7}\]and \[b=8\frac{3}{7}\] \[\therefore \,\]Given expression \[=\frac{a\times a-b\times b}{a-b}\] \[=\frac{{{a}^{2}}-{{b}^{2}}}{a-b}=a+b\] \[\,=13\frac{4}{7}+8\frac{3}{7}=22\]You need to login to perform this action.
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