MCQ
Mark $(\checkmark)$ against the correct answer in the following: $78\frac{3}{4}\div2\frac{1}{2}=?$
- ✓$31\frac{1}{2}$
- B$39\frac{3}{8}$
- C$40\frac{1}{3}$
- DNone of these.
✓
Answer
Correct option: A.
$31\frac{1}{2}$
$78\frac{3}{4}\div2\frac{1}{2}$
$=\frac{315}{4}\div\frac{5}{2}$
$=\frac{315}{4}\times\frac{2}{5}$
$=\frac{63}{2}$
$=31\frac{1}{2}$
$=\frac{315}{4}\div\frac{5}{2}$
$=\frac{315}{4}\times\frac{2}{5}$
$=\frac{63}{2}$
$=31\frac{1}{2}$
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