Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 406 · 40 questions

The method (Find the 100%): Name the topic and write its formula. For percent questions, decide which value is the 100%. Check units (₹, km/h, days) and whether the answer is sensible.

1. 1.Find the simple interest on ₹12800 at 11% per year for 4 years (in ₹).
2. 2.Diya puts ₹16100 in a bank at 13% simple interest per year. How much will she have after 1 year (in ₹)?
3. 3.Diya’s batting average after 15 innings is 42 runs. How many runs must Diya score in the next innings to raise the average to 46?
4. 4.By selling a watch for ₹780, a shopkeeper makes a loss of 25%. What did the watch cost the shopkeeper (in ₹)?
5. 5.The price of a school bag changes from ₹1500 to ₹1050. By what percent did it come down?
6. 6.Find the simple interest on ₹9700 at 7% per year for 3 years (in ₹).
7. 7.Find the compound interest on ₹37168 at 25% per year for 2 years, added every year (in ₹).
8. 8.By selling a table fan for ₹1250, a shopkeeper makes a profit of 25%. What did the table fan cost the shopkeeper (in ₹)?
9. 9.Meera can finish a job in 4 days and Rahul in 16 days. Meera works alone for 3 days and then stops. Rahul finishes the rest. How many days does Rahul take?
10. 10.In 14 years, Aarav will be twice as old as Aarav was 4 years ago. How old is Aarav now?
11. 11.A bicycle bought for ₹1920 is sold at a profit of 10%. What is the selling price (in ₹)?
12. 12.A town has 2460 people. Its population grows by 30%. How many people live there now?
13. 13.Tara works twice as fast as Ishaan. Together they finish a job in 7 days. How many days would Ishaan take alone?
14. 14.Sneha’s batting average after 6 innings is 39 runs. How many runs must Sneha score in the next innings to raise the average to 41?
15. 15.The average weight of 9 children is 45 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
16. 16.A bicycle bought for ₹520 is sold at a loss of 30%. What is the selling price (in ₹)?
17. 17.A water tank holds 100 litres. 30% of the water is used. How many litres are left?
18. 18.By selling a watch for ₹2610, a shopkeeper makes a profit of 50%. What did the watch cost the shopkeeper (in ₹)?
19. 19.What sum of money earns ₹3510 simple interest in 2 years at 15% per year (in ₹)?
20. 20.A table fan bought for ₹500 is sold at a loss of 10%. What is the selling price (in ₹)?
21. 21.What is the difference between the compound interest and the simple interest on ₹28700 at 20% per year for 2 years (in ₹)?
22. 22.A bus runs at 88 km/h. How far does it go in 90 minutes (in km)?
23. 23.The price of a school bag changes from ₹4480 to ₹5824. By what percent did it go up?
24. 24.A study lamp bought for ₹320 is sold at a profit of 20%. What is the selling price (in ₹)?
25. 25.After a 10% discount, a bicycle costs ₹2664. What was its marked price (in ₹)?
26. 26.A bicycle is marked at ₹4860. The shop gives a 10% discount. How much do you pay (in ₹)?
27. 27.The average of 6 numbers is 57. When one more number is added, the average becomes 59. What number was added?
28. 28.Find the amount when ₹24672 is invested at 25% per year compound interest for 2 years (in ₹).
29. 29.The price of a bicycle is ₹4020. It goes up by 20%. What is the new price (in ₹)?
30. 30.A study lamp marked at ₹4140 is sold for ₹2898. What is the discount percent?
31. 31.A pair of shoes marked at ₹1300 is sold for ₹650. What is the discount percent?
32. 32.A car runs for 2 hours at 26 km/h and then for 1 hour at 74 km/h. What is its average speed for the whole journey (in km/h)?
33. 33.Aarav is 3 years older than Arjun. In 10 years, the sum of their ages will be 39. How old is Arjun now?
34. 34.A table fan is marked at ₹595. The shop takes 50% off, and then a further 20% off the new price. How much do you pay (in ₹)?
35. 35.The price of a bicycle is ₹4540. It goes up by 50%. What is the new price (in ₹)?
36. 36.A shopkeeper buys a school bag for ₹600 and sells it for ₹690. Find the profit percent.
37. 37.By selling a school bag for ₹990, a shopkeeper makes a profit of 50%. What did the school bag cost the shopkeeper (in ₹)?
38. 38.A watch is marked at ₹2880. The shop gives a 15% discount. How much do you pay (in ₹)?
39. 39.After a 50% discount, a pair of shoes costs ₹2270. What was its marked price (in ₹)?
40. 40.Ananya can finish a job in 10 days and Aarav in 15 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =

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