Question

In an examination $235$ students passed and $176$ students failed. Find the number of students that appeared in the examination.

• A. $350$
• B. $411$
• C. $300$
• D. $400$

Answer 1

The correct option is B $411$

Number of students who passed $=235$
Number of students who failed $=176$
$\therefore$ Total number of students that appeared $=235+176=176+235$

According to commutative property, changing the order of addends does not change the addition result.