Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 418 · 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.Marks of 4 friends in a quiz: 41, 29, 42, 60. What is their average mark?
2. 2.Vivaan is 9 years older than Karan. In 7 years, the sum of their ages will be 53. How old is Karan now?
3. 3.Change 18 km/h into metres per second.
4. 4.A car runs for 2 hours at 78 km/h and then for 2 hours at 46 km/h. What is its average speed for the whole journey (in km/h)?
5. 5.In 28 years, Vivaan will be twice as old as Vivaan was 4 years ago. How old is Vivaan now?
6. 6.The average of 9 numbers is 57. When one more number is added, the average becomes 62. What number was added?
7. 7.In how many years will ₹19000 earn ₹1520 as simple interest at 8% per year?
8. 8.Kabir cycles to his school at 42 km/h and comes back by the same road at 30 km/h. What is his average speed for the whole trip (in km/h)?
9. 9.The average weight of 7 children is 46 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
10. 10.Karan can finish a job in 20 days and Saanvi in 12 days. What fraction of the job do they finish if they work together for 2 days? =
11. 11.Find the compound interest on ₹24000 at 5% per year for 3 years, added every year (in ₹).
12. 12.A car runs for 1 hour 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)?
13. 13.By selling a watch for ₹1680, a shopkeeper makes a profit of 50%. What did the watch cost the shopkeeper (in ₹)?
14. 14.A water tank holds 640 litres. 10% of the water is used. How many litres are left?
15. 15.The average weight of 11 children is 29 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
16. 16.In 14 years, Priya will be twice as old as Priya was 5 years ago. How old is Priya now?
17. 17.A price goes up by 40% and then goes up by 50% more. By what percent has it gone up in all? =
18. 18.Isha’s batting average after 15 innings is 38 runs. How many runs must Isha score in the next innings to raise the average to 41?
19. 19.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
20. 20.Find the compound interest on ₹11200 at 10% per year for 2 years, added every year (in ₹).
21. 21.Vivaan can finish a job in 8 days and Saanvi in 16 days. Vivaan works alone for 2 days and then stops. Saanvi finishes the rest. How many days does Saanvi take?
22. 22.What is the difference between the compound interest and the simple interest on ₹2500 at 8% per year for 2 years (in ₹)?
23. 23.Find the amount when ₹28000 is invested at 20% per year compound interest for 2 years (in ₹).
24. 24.By selling a cricket bat for ₹1462, a shopkeeper makes a loss of 15%. What did the cricket bat cost the shopkeeper (in ₹)?
25. 25.Change 54 km/h into metres per second.
26. 26.After a 40% discount, a study lamp costs ₹468. What was its marked price (in ₹)?
27. 27.A study lamp bought for ₹300 is sold at a profit of 15%. What is the selling price (in ₹)?
28. 28.Find the compound interest on ₹9125 at 20% per year for 3 years, added every year (in ₹).
29. 29.After a 40% discount, a bicycle costs ₹1116. What was its marked price (in ₹)?
30. 30.What sum of money earns ₹1900 simple interest in 4 years at 5% per year (in ₹)?
31. 31.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
32. 32.How many minutes does a car take to go 49 km at 35 km/h?
33. 33.A school bag is marked at ₹3200. The shop takes 10% off, and then a further 10% off the new price. How much do you pay (in ₹)?
34. 34.The price of a school bag changes from ₹4240 to ₹3604. By what percent did it come down?
35. 35.Manav can finish a job in 10 days and Nisha in 16 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
36. 36.Vivaan is 3 years older than Arjun. In 7 years, the sum of their ages will be 55. How old is Arjun now?
37. 37.A water tank holds 1440 litres. 40% of the water is used. How many litres are left?
38. 38.A shopkeeper buys a watch for ₹1700 and sells it for ₹850. Find the loss percent.
39. 39.A price comes down by 40% and then comes down by 5% more. By what percent has it come down in all? =
40. 40.Find the simple interest on ₹10900 at 4% per year for 1 year (in ₹).

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