Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 38 · 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.After a 15% discount, a study lamp costs ₹3026. What was its marked price (in ₹)?
2. 2.A watch is marked at ₹2440. The shop gives a 5% discount. How much do you pay (in ₹)?
3. 3.A water tank holds 540 litres. 50% of the water is used. How many litres are left?
4. 4.A car runs for 4 hours at 33 km/h and then for 4 hours at 35 km/h. What is its average speed for the whole journey (in km/h)?
5. 5.Marks of 4 friends in a quiz: 52, 57, 51, 88. What is their average mark?
6. 6.The average weight of 6 children is 43 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
7. 7.Find the simple interest on ₹18200 at 10% per year for 4 years (in ₹).
8. 8.What sum of money earns ₹6090 simple interest in 3 years at 14% per year (in ₹)?
9. 9.By selling a school bag for ₹713, a shopkeeper makes a profit of 15%. What did the school bag cost the shopkeeper (in ₹)?
10. 10.Aarav is 5 years older than Ananya. In 10 years, the sum of their ages will be 43. How old is Ananya now?
11. 11.A shopkeeper buys a bicycle for ₹260 and sells it for ₹182. Find the loss percent.
12. 12.The average weight of 6 children is 37 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
13. 13.By selling a school bag for ₹100, a shopkeeper makes a loss of 50%. What did the school bag cost the shopkeeper (in ₹)?
14. 14.Ishaan can finish a job in 4 days and Arjun in 17 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
15. 15.Find the compound interest on ₹44400 at 5% per year for 2 years, added every year (in ₹).
16. 16.Find the amount when ₹28800 is invested at 5% per year compound interest for 2 years (in ₹).
17. 17.Nisha can finish a job in 19 days and Dev in 13 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
18. 18.A car runs for 2 hours at 27 km/h and then for 3 hours at 77 km/h. What is its average speed for the whole journey (in km/h)?
19. 19.Kabir cycles to his school at 21 km/h and comes back by the same road at 42 km/h. What is his average speed for the whole trip (in km/h)?
20. 20.Two discounts of 10% and 10%, one after the other, are the same as one discount of what percent? =
21. 21.A bus runs at 33 km/h. How far does it go in 40 minutes (in km)?
22. 22.What sum of money earns ₹792 simple interest in 1 year at 12% per year (in ₹)?
23. 23.The simple interest on ₹13100 for 3 years is ₹5502. What is the rate of interest (% per year)?
24. 24.By selling a cricket bat for ₹224, a shopkeeper makes a profit of 40%. What did the cricket bat cost the shopkeeper (in ₹)?
25. 25.Dev is 2 years older than Farhan. In 9 years, the sum of their ages will be 60. How old is Farhan now?
26. 26.Find the amount when ₹4800 is invested at 15% per year compound interest for 2 years (in ₹).
27. 27.Two discounts of 25% and 50%, one after the other, are the same as one discount of what percent? =
28. 28.A town has 4900 people. Its population grows by 15%. How many people live there now?
29. 29.Kabir cycles to his school at 12 km/h and comes back by the same road at 84 km/h. What is his average speed for the whole trip (in km/h)?
30. 30.Change 20 m/s into km/h.
31. 31.Change 54 km/h into metres per second.
32. 32.Marks of 4 friends in a quiz: 85, 78, 89, 88. What is their average mark?
33. 33.Saanvi and Arjun together finish a job in 4 days. Saanvi alone takes 5 days. How many days would Arjun take alone?
34. 34.Find the compound interest on ₹31250 at 4% per year for 3 years, added every year (in ₹).
35. 35.A study lamp is marked at ₹1380. The shop gives a 30% discount. How much do you pay (in ₹)?
36. 36.A shopkeeper buys a study lamp for ₹460 and sells it for ₹575. Find the profit percent.
37. 37.Change 25 m/s into km/h.
38. 38.Kabir cycles to his school at 84 km/h and comes back by the same road at 28 km/h. What is his average speed for the whole trip (in km/h)?
39. 39.Kabir can finish a job in 9 days and Karan in 2 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
40. 40.A table fan is marked at ₹520. The shop gives a 40% discount. How much do you pay (in ₹)?

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