SSC CPO 2019 PYQ — Question 147

SSC CPO Tier I - 12th March 2019 - Shift 2 • Quantitative Aptitude • Q147

The number of students whose height is in the class interval 175 - 180 is what percent less than the number of students whose height is in the class interval 160 - 165? 

Show answer & explanation

Correct answer: C

Explanation

The correct answer is Option 3 i.e. 40%

The number of students whose height is in the class interval 175 - 180 = 6

the number of students whose height is in the class interval 160 - 165 = 10

Required percentage = [(10 - 6)/10] × 100 = 40%