Question

The bar graph shows the grades obtained by a group of pupils in a test.
If grade C is the passing mark, how many pupils passed the test?

• A. 10
• B. 14
• C. 24
• D. 30

Answer 1

The correct option is D 30

If grade $C$ is the paasing marks the, pupils from grade $A$ and grade $B$ has also passed the test.

$\Rightarrow$ Number of pupils obtained grade $A$ $=6$

$\Rightarrow$ Number of pupils obtained grade $B$ $=10$

$\Rightarrow$ Number of pupils obtained grade $C$ $=14$

$\Rightarrow$ Total number of pupils passed the test $=6+10+14=30$