Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 217 · 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.Kabir cycles to his school at 63 km/h and comes back by the same road at 18 km/h. What is his average speed for the whole trip (in km/h)?
2. 2.Find the compound interest on ₹6400 at 5% per year for 2 years, added every year (in ₹).
3. 3.Pooja is 3 years older than Ananya. In 6 years, the sum of their ages will be 35. How old is Ananya now?
4. 4.The simple interest on ₹13300 for 4 years is ₹1596. What is the rate of interest (% per year)?
5. 5.Find the compound interest on ₹23400 at 20% per year for 2 years, added every year (in ₹).
6. 6.By selling a bicycle for ₹608, a shopkeeper makes a loss of 20%. What did the bicycle cost the shopkeeper (in ₹)?
7. 7.The simple interest on ₹18900 for 3 years is ₹5103. What is the rate of interest (% per year)?
8. 8.Manav works three times as fast as Priya. Together they finish a job in 11 days. How many days would Priya take alone?
9. 9.Change 54 km/h into metres per second.
10. 10.The simple interest on ₹10100 for 3 years is ₹3030. What is the rate of interest (% per year)?
11. 11.The average of 4 numbers is 47. When one more number is added, the average becomes 49. What number was added?
12. 12.What is the difference between the compound interest and the simple interest on ₹48400 at 25% per year for 2 years (in ₹)?
13. 13.Meera can finish a job in 6 days and Dev in 10 days. What fraction of the job do they finish if they work together for 2 days? =
14. 14.A pair of shoes is marked at ₹3640. The shop gives a 25% discount. How much do you pay (in ₹)?
15. 15.Saanvi’s father is four times as old as Saanvi. The sum of their ages is 70 years. How old is the father?
16. 16.Change 18 km/h into metres per second.
17. 17.Nisha can finish a job in 9 days and Priya in 18 days. Nisha works alone for 2 days and then stops. Priya finishes the rest. How many days does Priya take?
18. 18.Tara is 7 years older than Aditya. In 4 years, the sum of their ages will be 55. How old is Aditya now?
19. 19.Change 35 m/s into km/h.
20. 20.Meera can finish a job in 18 days and Zoya in 6 days. Meera works alone for 9 days and then stops. Zoya finishes the rest. How many days does Zoya take?
21. 21.A water tank holds 4740 litres. 5% of the water is used. How many litres are left?
22. 22.In how many years will ₹5300 earn ₹1378 as simple interest at 13% per year?
23. 23.What is the difference between the compound interest and the simple interest on ₹2500 at 4% per year for 2 years (in ₹)?
24. 24.What is the difference between the compound interest and the simple interest on ₹45200 at 20% per year for 2 years (in ₹)?
25. 25.Zoya’s batting average after 15 innings is 38 runs. How many runs must Zoya score in the next innings to raise the average to 40?
26. 26.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
27. 27.Rahul and Zoya together finish a job in 12 days. Rahul alone takes 15 days. How many days would Zoya take alone?
28. 28.A shop sells an average of 63 kg of sugar a day for 4 days, and then 33 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
29. 29.The average weight of 8 children is 29 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
30. 30.Ishaan’s father is twice as old as Ishaan. The sum of their ages is 24 years. How old is the father?
31. 31.Find the simple interest on ₹19500 at 8% per year for 2 years (in ₹).
32. 32.4 years ago, Kabir’s mother was three times as old as Kabir. The mother is 19 years old now. How old is Kabir now?
33. 33.The price of a school bag changes from ₹4680 to ₹2808. By what percent did it come down?
34. 34.After a 50% discount, a bicycle costs ₹70. What was its marked price (in ₹)?
35. 35.Isha can finish a job in 4 days and Priya in 8 days. Isha works alone for 1 day and then stops. Priya finishes the rest. How many days does Priya take?
36. 36.By selling a bicycle for ₹1365, a shopkeeper makes a profit of 5%. What did the bicycle cost the shopkeeper (in ₹)?
37. 37.Rahul’s batting average after 14 innings is 26 runs. How many runs must Rahul score in the next innings to raise the average to 29?
38. 38.A shopkeeper buys a table fan for ₹1060 and sells it for ₹636. Find the loss percent.
39. 39.What is the difference between the compound interest and the simple interest on ₹27500 at 8% per year for 2 years (in ₹)?
40. 40.A price goes up by 50% and then comes down by 30%. By what percent has it gone up in all? =

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