#4838. Find the time taken by a 160-meter long train running at 72 kilometers per hour in crossing an electric pole. (in seconds).

]]>#4837. In what time will a 100 metre long train running with a speed of 50 kilometres per hour cross a pillar?

]]>#4836. A number is mistakenly divided by 5 instead of being multiplied by 5. Find the percentage error.

]]>#4835. The value of a car depreciates every year by 10%. If the present value is $50,000, find the value of the car after 2 years.

]]>#4834. The price of a shirt and a trouser are in the ratio 7:5. The price of a shirt is $200 more than the price of a trouser. Find the price of the trouser.

]]>#4833. The marked price of a table is $12,000. If it was sold for $10,500, after allowing a certain discount, find the rate of discount.

]]>#4832. An examination of 300 marks needed to be passed by securing 30% marks. Kevin secured 20% more marks than the passing marks. Find the percentage of marks obtained by him.

]]>#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.

]]>.

#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.

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