The following pie chart shows the number of students who failed in different subjects in an examination.
Examine the chart and answer the following question. The total number of students who have failed is 350.

The number of students who failed in mathematics is less than the number of students who failed in all other subjects by:
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 161.
Given that
The total number of students who have failed is 350
According to the question
The number of students who failed in mathematics = (27/100) × 350 = 94.5
The number of students who failed in all other subjects = 350 - 94.5 = 255.5
Hence, the required value = 255.5 - 94.5 = 161