Question

A class has 40 students , given that 75% of them passed a Mathematics test, calculate the number of students who failed the test​

Answer 1

Answer:

10 students.

Explanation:

Given :-

A class consists of 40 students.

75 % of them passed a Mathematics test.

To find :-

Number of students who failed in the test.

Solution :-

Number of students who failed the test:

• Percent of students who failed × Class strength

Percent of students who failed:

• 100 % - 75 %
• 25 %

Substituting we get,

• 25 % × 40
• $\frac{25}{100}$ × 40
• 10

∴ 10 students failed in the mathematics test.

Answer 2

Answer:

10

Explanation:

A class has 40 students , given that 75% of them passed a Mathematics test, calculate the number of students who failed the test​