Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 408 · 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.A water tank holds 3340 litres. 30% of the water is used. How many litres are left?
2. 2.Manav and Rohan together finish a job in 4 days. Manav alone takes 8 days. How many days would Rohan take alone?
3. 3.Change 5 m/s into km/h.
4. 4.A watch marked at ₹1780 is sold for ₹1246. What is the discount percent?
5. 5.Find the compound interest on ₹26250 at 12% per year for 2 years, added every year (in ₹).
6. 6.Change 40 m/s into km/h.
7. 7.A pair of shoes marked at ₹4660 is sold for ₹3728. What is the discount percent?
8. 8.After a 30% discount, a school bag costs ₹1526. What was its marked price (in ₹)?
9. 9.What sum of money earns ₹3330 simple interest in 5 years at 6% per year (in ₹)?
10. 10.A water tank holds 1800 litres. 30% of the water is used. How many litres are left?
11. 11.Change 25 m/s into km/h.
12. 12.A shopkeeper buys a pressure cooker for ₹100 and sells it for ₹115. Find the profit percent.
13. 13.How many minutes does a car take to go 40 km at 40 km/h?
14. 14.By selling a watch for ₹170, a shopkeeper makes a loss of 50%. What did the watch cost the shopkeeper (in ₹)?
15. 15.A bicycle marked at ₹3080 is sold for ₹2926. What is the discount percent?
16. 16.What sum of money earns ₹1360 simple interest in 4 years at 2% per year (in ₹)?
17. 17.Change 15 m/s into km/h.
18. 18.A car runs for 3 hours at 70 km/h and then for 3 hours at 54 km/h. What is its average speed for the whole journey (in km/h)?
19. 19.Ananya works twice as fast as Nisha. Together they finish a job in 10 days. How many days would Nisha take alone?
20. 20.The price of a school bag changes from ₹2340 to ₹1638. By what percent did it come down?
21. 21.What is the difference between the compound interest and the simple interest on ₹26200 at 20% per year for 2 years (in ₹)?
22. 22.Kabir can finish a job in 15 days and Manav in 30 days. Kabir works alone for 9 days and then stops. Manav finishes the rest. How many days does Manav take?
23. 23.Find the simple interest on ₹11700 at 11% per year for 2 years (in ₹).
24. 24.Karan is 7 years older than Vivaan. In 6 years, the sum of their ages will be 51. How old is Vivaan now?
25. 25.What is the difference between the compound interest and the simple interest on ₹3600 at 5% per year for 2 years (in ₹)?
26. 26.The average of 5 numbers is 28. When one more number is added, the average becomes 29. What number was added?
27. 27.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
28. 28.The price of a school bag changes from ₹920 to ₹460. By what percent did it come down?
29. 29.A water tank holds 1620 litres. 5% of the water is used. How many litres are left?
30. 30.A school bag bought for ₹820 is sold at a loss of 25%. What is the selling price (in ₹)?
31. 31.After a 50% discount, a bicycle costs ₹1480. What was its marked price (in ₹)?
32. 32.By selling a school bag for ₹2116, a shopkeeper makes a profit of 15%. What did the school bag cost the shopkeeper (in ₹)?
33. 33.A town has 1200 people. Its population grows by 30%. How many people live there now?
34. 34.After a 30% discount, a study lamp costs ₹882. What was its marked price (in ₹)?
35. 35.What sum of money earns ₹3456 simple interest in 3 years at 8% per year (in ₹)?
36. 36.What sum of money earns ₹420 simple interest in 3 years at 5% per year (in ₹)?
37. 37.The average weight of 10 children is 31 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
38. 38.Rahul works three times as fast as Rohan. Together they finish a job in 3 days. How many days would Rohan take alone?
39. 39.Diya puts ₹10900 in a bank at 8% simple interest per year. How much will she have after 2 years (in ₹)?
40. 40.A cricket bat marked at ₹200 is sold for ₹120. What is the discount percent?

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