Question

The pictogram shows the number of pupils who cycle to school. On the whole, what is the percentage of class 2 pupils who cycle to school?

• A. 10%
• B. 25%
• C. $37\frac{1}{2}\%$
• D. 50%

Answer 1

The correct option is D 50%

Total number of pupil who cycle to school $=(4\times 30)+(7\times 30)+(3\times 30)=120+210+90=420.$
No. of pupil who cycle in class $2=7\times 30=210$
$\therefore$ The required percentage
$=\frac{210}{420}\times 100\%=50\%$