Question

$3\frac{1}{2}+2\frac{5}{7}\times \frac{9}{26}\times 2\frac{1}{2}÷2=.........$

• A. $\frac{491}{728}$
• B. $\frac{4}{728}$
• C. $4\frac{491}{728}$
• D. none of these

Answer 1

The correct option is C $4\frac{491}{728}$

$\frac{7}{2}+\frac{19}{7}\times \frac{9}{26}\times \frac{5}{2}÷2$
$=\frac{7}{2}+\frac{19}{7}\times \frac{9}{26}\times \frac{5}{4}$
$=\frac{7}{2}+\frac{855}{728}=\frac{2548+855}{728}=\frac{3403}{728}$
$=4\frac{491}{728}$