UP Police SI · Numerical & Mental Ability
Percentage and applied problems.
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Q1 · Percentage · EASY
In a school, 40% of the students are girls. If there are 360 boys in the school, what is the total number of students?
Q2 · Percentage · MEDIUM
A man spends 75% of his income. If his income increases by 20% and his expenditure increases by 10%, by what percentage does his savings increase?
Q3 · Percentage · MEDIUM
The population of a town increases by 10% in the first year, decreases by 10% in the second year, and again increases by 10% in the third year. What is the net percentage change in population after three years?
Q4 · Percentage · HARD
A shopkeeper marks his goods 40% above the cost price and allows a discount of 20% on the marked price. If he sells an article for Rs. 840, what is his profit percentage?
Q5 · Percentage · MEDIUM
A shopkeeper marks his goods 30% above the cost price and gives a discount of 10%. What is his actual profit percentage?