Mathematics Previous Year Questions 2026 | SSC CPO

Mathematics - MOST IMPORTANT SSC CPO Previous Year Questions

Practice real questions from previous year exams of SSC CPO.

📘 Ratio from Percentage Equations📚 Misc
Q1
What is the ratio between S and T if S is 75% of T?
🎯 SSC CPO 28/06/2024 (Shift-03)
📘 Ratio and Percentage Combined📚 Applying Percentage to Ratio Components
Q2
In a class, the numbers of boys and girls are in the ratio of 3:5. What is the percentage of boys in the class?
🎯 SSC CPO 27/06/2024 (Shift-02)
📘 Ratio from Percentage Equations📚 A Percent of A Equals B Percent of B Find Ratio
Q3
If 30% of Ravi's income is equal to 40% of Suresh's income, then 50% of Ravi's income is equal to what percentage of Suresh's income?
🎯 SSC CPO 05/10/2023 (Shift-03)
📘 Reverse Percentage📚 Finding Original Value After Percentage Given
Q4
Shiya invests 1,53,000, which is 30% of her annual income, in mutual funds. What is her monthly income?
🎯 SSC CPO 28/06/2024 (Shift-02)
📘 Price Consumption and Expenditure📚 Misc
Q5
In a sweet, one-third is sugar. If the price of sugar now is 7/6 of the previous price, what is the effective percentage increase in the cost of the sweet?
🎯 SSC CPO 29/06/2024 (Shift-03)
📘 Income Expenditure and Savings📚 Given Savings Amount Find Total Income
Q6
Ramesh spent 30,000 on Diwali shopping and 45,000 on buying a TV set, and the remaining 40% of the total amount he had as cash with him. What was the total amount?
🎯 SSC CPO 29/06/2024 (Shift-03)
📘 Percentage Change in Fractions📚 Numerator and Denominator Both Changed Find Original Fraction
Q7
If the numerator of a fraction is increased by 60% and the denominator is increased by 40%, the resultant fraction is 16/63. The original fraction is:
🎯 SSC CPO 25/11/2020 (Shift-02)
📘 Percentage Change in Geometry📚 Percentage Change in 2D Area — Square, Rectangle, Triangle, Circle
Q8
The breadth of a rectangular lawn is decreased by 8% and its length is increased by 15%. Find the percentage change in the lawn area.
🎯 SSC CPO 29/06/2024 (Shift-02)
📘 Percentage Change in Geometry📚 Reverse Geometry — Given Area or Volume Change, Find Dimension Change
Q9
A square plot of land is to be expanded such that its area becomes 225% of the original. By what percentage must each side be increased?
🎯 SSC CPO 09/12/2025 (Shift-02)
📘 Percentage Change in Geometry📚 Percentage Change in 2D Area — Square, Rectangle, Triangle, Circle
Q10
If the radius of a sphere is doubled, then its surface area will be increased by:
🎯 SSC CPO 03/10/2023 (Shift-03)
📘 Percentage Change in Geometry📚 Percentage Change in 1D Dimensions — Perimeter, Circumference, Diagonal
Q11
If the area of a square is decreased by 19%, then the diagonal of the square is decreased by:
🎯 SSC CPO 23/11/2020 (Shift-02)
📘 Percentage Change in Geometry📚 Percentage Change in 3D Volume — Cuboid, Cylinder, Sphere, Hemisphere
Q12
If the radius of a sphere is increased by 20%, then find the percentage increase in its volume.
🎯 SSC CPO 29/06/2024 (Shift-03)
📘 Percentage Change in Geometry📚 Percentage Change in 3D Volume — Cuboid, Cylinder, Sphere, Hemisphere
Q13
If the length and breadth of a cuboid are increased by 6% and 8%, respectively, then the percentage increase in its volume is:
🎯 SSC CPO 29/06/2024 (Shift-03)
📘 Percentage Change in Geometry📚 Percentage Change in 3D Volume — Cuboid, Cylinder, Sphere, Hemisphere
Q14
A metallic conical bowl with base radius 10 cm and height 24 cm is uniformly heated, increasing all dimensions by 10%. By how much does the volume increase?
🎯 SSC CPO 04/10/2023 (Shift-03)
📘 Percentage Change in Geometry📚 Percentage Change in 3D Volume — Cuboid, Cylinder, Sphere, Hemisphere
Q15
The total percentage change in volume of a cuboid if length and breadth are decreased by 15% and 25%, while height is increased by 60%:
🎯 SSC CPO 29/06/2024 (Shift-02)
📘 Successive Percentage Change📚 Two Successive Increases Net Effect
Q16
Two successive price increases of 25% and 25% are equivalent to a single price increase of:
🎯 SSC CPO 29/06/2024 (Shift-01)
📘 Successive Percentage Change📚 Three or More Successive Changes Net Effect
Q17
The price of a scooter increases successively by 10%, 5% and 15%. What is the total percentage increase?
🎯 SSC CPO 11/11/2022 (Shift-02)
📘 Price Consumption and Expenditure📚 Price Increase Reduce Consumption Same Expenditure
Q18
The cost of CNG per liter is increased by 65%. By what percentage must Manish reduce his consumption so as not to increase his expenditure?
🎯 SSC CPO 28/06/2024 (Shift-03)
📘 Population Growth and Decline📚 Constant Growth Rate Over Multiple Years
Q19
The population of a city increases every year at the rate of 5%. If the population is 16000, what will be the population after 2 years?
🎯 SSC CPO 28/06/2024 (Shift-02)
📘 Successive Percentage Change📚 Three or More Successive Changes Net Effect
Q20
Ramnarayan's salary was reduced by 3%, 3%, and then increased by 5(7/9)%. By what percentage is his new salary more/less than original?
🎯 SSC CPO 28/06/2024 (Shift-02)