#4831. The population of a city is 500,000. The rate of increase is 20% per annum. Find the population at the start of the third year.

]]>#4830. A number is mistakenly divided by 10 instead of being multiplied by 10. Find the percentage change in the result due to this mistake.

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#4829. The length, breadth, and height of a cubic room are increased by 5%, 10%, and 50% respectively. Find the percentage change in the volume of the room.

]]>#4828. In an examination, 1100 boys and 900 girls appeared. 50% of the boys and 40% of the girls passed the examination. Find the percentage of candidates who failed.

]]>#4827. In an examination, 65% of the students passed in mathematics, 48% passed in physics, and 30% passed in both. How much percent of students failed in both the subjects?

]]>#4826. In an annual examination, 'A' got 10% less marks than 'B' in mathematics. 'A' got 81 marks. Find the marks of 'B'.

]]>#4825. The price of sugar is reduced by 20%, which allows a saving of $2 per kilogram. Find the new price.

]]>#4824. Two students appeared in an examination. One of them secured 6 marks more than the other and his marks was 52% of the sum of their marks. Find the marks obtained by the better student.

]]>#4823. The speed of a car is 50 kilometres per hour. If we increase the speed of the car by 20%, how much time will it take to cover 120 kilometres?

]]>#4822. Roger's annual salary is $15,000. If his salary is increased by 15%, then what will be his increased salary?

]]>#4821. Two numbers A and B are such that the sum of 5% of A and 4% of B is two-third of the sum of 6% of A and 8% of B. Find the ratio A : B.

]]>#4820. Find the number of boys in a school if the total number of students in the school is 500 and out of these 500 students, 32% student are males?

]]>#4819. What percentage of numbers from 1 to 60 have 1 or 9 in the unit's digit?

]]>#4818. A fruit seller had some apples. He sells 40% apples and has 480 apples. Originally, how many did he had?

]]>#4817. If 120 is 20% of a number, then what is 120% of that number?

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