Question

The average height of 70 students in a class is 166 cm. There are 4 students whose height is equal to the average height of 166 cm. If the height of 32 students is greater than 166 cm, then the number of students whose height is less than 166 cm is

• A. 33
• B. 32
• C. 35
• D. 34

Hint:

Split total data into above, equal, and below average categories.

Answer 1

The Correct Option is D

Concept: Total students = Students above average + Students at average + Students below average. Explanation: Total students = 70 Students equal to average = 4 Students above average = 32 Students below average: \[ 70 - (32 + 4) = 34 \]