In an election, 80% of eligible voters cast their votes. Of these, 10% were declared invalid. If the winning candidate received 16,200 votes, which is 60% of the valid votes, find the total number of eligible voters.
Mohan borrowed a sum of money at simple interest of 7% per annum for the first 3 years, 5% per annum for the next 5 years, and 11% per annum for the period beyond 8 years. If he pays a total of ₹6800 as interest only at the end of 10 years, how much money did he borrow?
The population of a town increases by 25% in the first year, decreases by 20% in the second year, and again increases by 30% in the third year. If the population at the beginning was 60,000 , what will it be after 3 years?
A candidate scores 25% marks and fails by 68 marks, while another candidate, who scores marks, gets 42 marks more than the minimum required marks to pass the examination. Find the maximum marks for the examination.
The price (per litre) of petrol increases by 60%. By what percent should its consumption be reduced such that the expenditure on it increases by 12% only ?
The price (per litre) of petrol increases by 40%. By what percent should its consumption be reduced such that the expenditure on it increases by 19% only?
The price (per litre) of petrol increases by 50%. By what percent should its consumption be reduced such that the expenditure on it increases by 41% only ?
The price of a car increases by 10% in the first year and then again increases by 12.5% in the second year. If its final price becomes ₹69,300, find the original price of the car.
