The bar chart above shows the marks obtained by students in a mathematics test.
How many students in all took the test?
Attached Figure / Diagram
A
40
B
30
C
10
D
20
Verified Correct Answer: A.
Step-by-Step Mathematical Solution
3 + 2 + 5 + 5 + + 5 + 10 + 4 + 3 + 1 + 2 = 40
Source: Myschool Past Questions Archive (Record #44875)