Percentage, profit and loss, interest
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- In the exam pattern: First Stage Computer Based Test (CBT-I), Mathematics: 30 questions, 30 marks (RRB notice, 13 Aug 2026).
- Next exam day: CBT-II exam (expected): 15 Feb 2027 (Expected — an estimate, not announced).
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Practice this topic
Take a full mock →Q1 · Percentage, profit and loss, interest · MEDIUM
If the price of sugar rises by 25%, by what percentage must a family reduce its consumption of sugar so that its expenditure on sugar remains the same?
Q2 · Percentage, profit and loss, interest · MEDIUM
A shopkeeper marks his goods 30% above the cost price. If he gives a discount of 10% on the marked price, what is his profit percentage on the cost price?
Q3 · Percentage, profit and loss, interest · MEDIUM
The simple interest on a certain sum of money at 4% per annum for 5 years is Rs 800. What will be the compound interest on the same sum for 2 years at the same rate of interest?
Q4 · Percentage, profit and loss, interest · EASY
A trader sells a machine for Rs 12,000, gaining 20% in the bargain. At what price should he sell it to gain 30%?
Q5 · Percentage, profit and loss, interest · EASY
The population of a town increases by 10% every year. If the present population is 1,21,000, what was the population 2 years ago?