Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 535 · 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.Two discounts of 50% and 25%, one after the other, are the same as one discount of what percent? =
2. 2.A car runs for 1 hour at 59 km/h and then for 4 hours at 29 km/h. What is its average speed for the whole journey (in km/h)?
3. 3.Meera and Priya together finish a job in 2 days. Meera alone takes 3 days. How many days would Priya take alone?
4. 4.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
5. 5.Tara and Nisha together finish a job in 8 days. Tara alone takes 24 days. How many days would Nisha take alone?
6. 6.The price of a bicycle is ₹3660. It goes up by 40%. What is the new price (in ₹)?
7. 7.By selling a bicycle for ₹570, a shopkeeper makes a loss of 5%. What did the bicycle cost the shopkeeper (in ₹)?
8. 8.In how many years will ₹11900 earn ₹2380 as simple interest at 10% per year?
9. 9.Nisha can finish a job in 7 days and Vivaan in 4 days. What fraction of the job do they finish if they work together for 2 days? =
10. 10.Priya and Manav together finish a job in 2 days. Priya alone takes 3 days. How many days would Manav take alone?
11. 11.A cricket bat bought for ₹1660 is sold at a profit of 40%. What is the selling price (in ₹)?
12. 12.Kabir cycles to his school at 12 km/h and comes back by the same road at 36 km/h. What is his average speed for the whole trip (in km/h)?
13. 13.Change 90 km/h into metres per second.
14. 14.In 4 years, Tara will be twice as old as Tara was 3 years ago. How old is Tara now?
15. 15.The average weight of 6 children is 33 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
16. 16.A watch is marked at ₹3700. The shop gives a 20% discount. How much do you pay (in ₹)?
17. 17.A shopkeeper buys a table fan for ₹460 and sells it for ₹690. Find the profit percent.
18. 18.Karan can finish a job in 4 days and Diya in 16 days. What fraction of the job do they finish if they work together for 1 day? =
19. 19.In how many years will ₹13000 earn ₹2600 as simple interest at 4% per year?
20. 20.The price of a school bag changes from ₹4820 to ₹5543. By what percent did it go up?
21. 21.Change 20 m/s into km/h.
22. 22.After a 20% discount, a bicycle costs ₹912. What was its marked price (in ₹)?
23. 23.6 years ago, Zoya’s mother was twice as old as Zoya. The mother is 14 years old now. How old is Zoya now?
24. 24.Rohan is 2 years older than Vivaan. In 2 years, the sum of their ages will be 48. How old is Vivaan now?
25. 25.In how many years will ₹8700 earn ₹2088 as simple interest at 12% per year?
26. 26.A water tank holds 1600 litres. 15% of the water is used. How many litres are left?
27. 27.Find the amount when ₹12500 is invested at 12% per year compound interest for 2 years (in ₹).
28. 28.Kavya’s father is five times as old as Kavya. The sum of their ages is 36 years. How old is the father?
29. 29.A pair of shoes marked at ₹480 is sold for ₹456. What is the discount percent?
30. 30.A school bag is marked at ₹600. The shop gives a 15% discount. How much do you pay (in ₹)?
31. 31.Find the simple interest on ₹15800 at 15% per year for 4 years (in ₹).
32. 32.The average weight of 7 children is 36 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
33. 33.Find the compound interest on ₹3264 at 25% per year for 2 years, added every year (in ₹).
34. 34.Kavya’s batting average after 15 innings is 23 runs. How many runs must Kavya score in the next innings to raise the average to 24?
35. 35.A water tank holds 1940 litres. 40% of the water is used. How many litres are left?
36. 36.Find the amount when ₹23616 is invested at 25% per year compound interest for 3 years (in ₹).
37. 37.By selling a pressure cooker for ₹1520, a shopkeeper makes a loss of 5%. What did the pressure cooker cost the shopkeeper (in ₹)?
38. 38.Find the compound interest on ₹11250 at 12% per year for 2 years, added every year (in ₹).
39. 39.Find the amount when ₹8800 is invested at 20% per year compound interest for 2 years (in ₹).
40. 40.The simple interest on ₹2000 for 5 years is ₹500. What is the rate of interest (% per year)?

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