3. Smitha went to school for 192 days in a year. If her attendance was 75%, find the total number of working days of the school in that year.
4. A fruitseller had some mangoes. After selling 60% of the mangoes, he still has 576 mangoes. How many mangoes did he have originally?
5. The population of a town in the year 2018 was 1,32,300. If the population of the town increases every year by 5%, what was the population of the town in the year 2016?
6. The population of a town increases every year by 10%. If the present population is 1,80,000, what will be the population of the town after 2 years?
7. In the month of October, 34,000 people visited a museum but only 32,300 people visited the museum in the month of November. Find the decrease per cent in the number of visitors.
8. Aman’s monthly income is ₹30,000. If his income increases every year by 9%, what will be his monthly income after 2 years?
9. Anmol’s salary after an increase of 12% is ₹44,800. What was his salary before the increase?
10. The value of a machine depreciates (decreases) every year by 5%. If the present value of the machine is ₹24,000, what will be the value of the machine after 2 years?
11. There were two candidates A and B contesting for the municipal corporation election in a town. The total number of voters in the town were 80,000. If 90% of the voters had voted and 60% of the votes polled went in favour of A, find the number of votes received by B.
12. A number is first increased by 20% and then decreased by 20%. Find the net increase or decrease per cent.
13. Ajit’s salary is 25% more than Alok’s salary. How much per cent is Alok’s salary less than Ajit’s salary?
14. Ajit got 10% less marks than Baljit and Kumar got 20% more than Baljit. If Kumar scored 960, how much did Ajit and Baljit score?
15. Ameeta spends 30% of her income on house rent and 60% of the rest on other expenditures. If she saves ₹7560 every month, what is her monthly income?
16. A garden has 50,000 trees. 12% of the trees are guava trees, 15% are orange trees, 10% are coconut trees and the rest are mango trees. Find the number of mango trees.
17. In a class of 35 students, 60% are interested in mathematics. How many students are not interested in mathematics?
18. A cricket team won 60% of the matches they played. If they had lost 24 matches, find the total number of matches played by them. What fraction of the matches have they lost?
19. After spending 85% of the money he had with him, Mr Sharma had ₹810 left with him. What was the amount that he had originally?
20. A man travels 50% of the distance by air, 35% by train and 10% by bus and the remaining by taxi. If he travels a distance of 144 km by taxi, find the total distance and the distance travelled by air, train and bus.
21. In a locality 65% of the families read Times of India, 75% read Indian Express, 15% read neither. If 330 families read both the newspapers, how many families lived in that locality? Draw a Venn diagram to solve the problem.
