Mathematics - MOST IMPORTANT SSC CHSL Previous Year Questions
Practice real questions from previous year exams of SSC CHSL.
📘 One Number as Percentage of Another📚 A is What Percent of B
Q1
What percent of 300 is 45?
🎯 SSC CHSL 27/11/2025 (Shift-01)
📘 Basic Percentage Calculations📚 Find Original Number Given its Percentage
Q2
If 60% of a number is 48, what is the number?
🎯 SSC CHSL 26/11/2025 (Shift-03)
📘 Basic Percentage Calculations📚 Find X Percent of a Given Number
Q3
Which of the following is the least?
🎯 SSC CHSL 11/07/2024 (Shift-04)
📘 Basic Percentage Calculations📚 Consecutive Percentage of a Number
Q4
If 10% of 24% of x is 240, then x=?
🎯 SSC CHSL 11/07/2024 (Shift-04)
📘 One Number as Percentage of Another📚 A is What Percent of B
Q5
If 18 toys out of 75 toys are for boys and the rest are for girls, what is the percentage of girls toys?
🎯 SSC CHSL 01/07/2024 (Shift-02)
📘 Percentage Comparison More or Less📚 A is What Percent More than B
Q6
The cost price of an item increased from 2,500 to 3,000. Find the increase percentage.
🎯 SSC CHSL 01/07/2024 (Shift-03)
📘 Percentage Comparison More or Less📚 A is What Percent Less than B
Q7
A price drops from 200 to 150. What is the percentage decrease?
🎯 SSC CHSL 20/11/2025 (Shift-02)
📘 Percentage Comparison More or Less📚 A is What Percent More than B
Q8
Mahesh's annual salary increased from 2,00,000 to 2,40,000. Find the percentage increase in the salary.
🎯 SSC CHSL 27/11/2025 (Shift-01)
📘 Percentage Comparison More or Less📚 A is What Percent Less than B
Q9
Shantanu's income decreased from 42,800 to 37,236. Find the percentage decrease in his income.
🎯 SSC CHSL 04/07/2024 (Shift-01)
📘 Percentage Comparison More or Less📚 A is What Percent More than B
Q10
The population of a village increased from 20,000 to 23,000 in a year. What is the percentage increase?
🎯 SSC CHSL 13/11/2025 (Shift-03)
📘 Percentage Comparison More or Less📚 A is What Percent More than B
Q11
Last year, Ranjan's monthly salary was 34,500 and this year his monthly salary is 38,640. What is the percentage increase in Ranjan's monthly salary this year over his monthly salary last year?
🎯 SSC CHSL 04/07/2024 (Shift-02)
📘 Percentage Error in Calculations📚 Misc
Q12
An interval of 2 hours 25 minutes is wrongly estimated by 2 hours 30.5 minutes. The error percentage is:
🎯 SSC CHSL 08/07/2024 (Shift-01)
📘 Population Growth and Decline📚 Constant Growth Rate Over Multiple Years
Q13
The population of a city was 5000000 in 2020. The population grows 7.5% annually. The population in 2022 is
🎯 SSC CHSL 01/07/2024 (Shift-04)
📘 Reverse Percentage📚 Finding Original Value After Percentage Increase
Q14
After an increase of 9% in salary, a person received 6,300. What was his salary before the increase (consider integer part only)?
🎯 SSC CHSL 10/07/2024 (Shift-02)
📘 Number Increase and Decrease📚 After Increase Result Equals Given Value Find Original
Q15
A number increased by 20% gives 240. Find the number.
🎯 SSC CHSL 11/07/2024 (Shift-01)
📘 Number Increase and Decrease📚 Adding a Value Makes Number P Percent of Itself
Q16
When a number is increased by 8, it becomes 120% of itself. The number is:
🎯 SSC CHSL 02/07/2024 (Shift-02)
📘 Number Increase and Decrease📚 After Decrease Result Equals Given Value Find Original
Q17
When 12 is subtracted from a number, it reduces to its 40%. Two-fifth of that number is:
🎯 SSC CHSL 10/07/2024 (Shift-02)
📘 Ratio from Percentage Equations📚 Given One Number is P Percent More or Less than Another Find Ratio
Q18
Two numbers are respectively 20% less and 30% more than a third number. What is the ratio of the two numbers?
🎯 SSC CHSL 13/11/2025 (Shift-02)
📘 One Number as Percentage of Another📚 A is What Percent of B
Q19
Two numbers are respectively 61% and 35% less than a third number. The first number is what percentage of the second number?
🎯 SSC CHSL 10/07/2024 (Shift-04)
📘 Ratio and Percentage Combined📚 Applying Percentage to Ratio Components
Q20
In an engineering college, there are four branches: Computer Science (CS), Electronics (EC), Civil (CE), and Mechanical (ME). The respective ratio of students is 11:5:6:7. What is the percentage of students belonging to CS and ME branches?
🎯 SSC CHSL 03/07/2024 (Shift-04)