Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 228 · 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.In how many years will ₹10200 earn ₹2754 as simple interest at 9% per year?
2. 2.The simple interest on ₹9200 for 1 year is ₹184. What is the rate of interest (% per year)?
3. 3.A price goes up by 15% and then goes up by 5% more. By what percent has it gone up in all? =
4. 4.A school bag is marked at ₹4900. The shop gives a 25% discount. How much do you pay (in ₹)?
5. 5.The average weight of 10 children is 44 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
6. 6.Priya’s father is twice as old as Priya. The sum of their ages is 18 years. How old is the father?
7. 7.What is the difference between the compound interest and the simple interest on ₹37600 at 5% per year for 2 years (in ₹)?
8. 8.A shop sells 2680 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
9. 9.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
10. 10.Diya and Ananya together finish a job in 6 days. Diya alone takes 8 days. How many days would Ananya take alone?
11. 11.The price of a school bag changes from ₹4860 to ₹3888. By what percent did it come down?
12. 12.Isha can finish a job in 4 days and Priya in 20 days. Isha works alone for 3 days and then stops. Priya finishes the rest. How many days does Priya take?
13. 13.The simple interest on ₹8700 for 5 years is ₹2175. What is the rate of interest (% per year)?
14. 14.A pair of shoes is marked at ₹680. The shop takes 10% off, and then a further 25% off the new price. How much do you pay (in ₹)?
15. 15.A town has 3540 people. Its population grows by 20%. How many people live there now?
16. 16.A water tank holds 1540 litres. 15% of the water is used. How many litres are left?
17. 17.Pooja’s batting average after 10 innings is 28 runs. How many runs must Pooja score in the next innings to raise the average to 30?
18. 18.4 years ago, Rohan’s mother was twice as old as Rohan. The mother is 24 years old now. How old is Rohan now?
19. 19.Change 30 m/s into km/h.
20. 20.A town has 1460 people. Its population grows by 15%. How many people live there now?
21. 21.Find the simple interest on ₹6700 at 8% per year for 1 year (in ₹).
22. 22.Diya puts ₹8400 in a bank at 11% simple interest per year. How much will she have after 2 years (in ₹)?
23. 23.Find the amount when ₹14208 is invested at 25% per year compound interest for 2 years (in ₹).
24. 24.The simple interest on ₹600 for 3 years is ₹54. What is the rate of interest (% per year)?
25. 25.By selling a cricket bat for ₹1426, a shopkeeper makes a profit of 15%. What did the cricket bat cost the shopkeeper (in ₹)?
26. 26.Rohan is 2 years older than Kabir. In 3 years, the sum of their ages will be 28. How old is Kabir now?
27. 27.In how many years will ₹12500 earn ₹1250 as simple interest at 2% per year?
28. 28.A study lamp marked at ₹2500 is sold for ₹1500. What is the discount percent?
29. 29.Ishaan can finish a job in 5 days and Manav in 15 days. What fraction of the job do they finish if they work together for 3 days? =
30. 30.A bus runs at 84 km/h. How far does it go in 90 minutes (in km)?
31. 31.Tara can finish a job in 3 days and Kabir in 13 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
32. 32.10 years ago, Priya’s mother was four times as old as Priya. The mother is 54 years old now. How old is Priya now?
33. 33.Find the simple interest on ₹9100 at 5% per year for 5 years (in ₹).
34. 34.Find the compound interest on ₹15625 at 4% per year for 3 years, added every year (in ₹).
35. 35.Find the simple interest on ₹5100 at 8% per year for 2 years (in ₹).
36. 36.Find the amount when ₹24000 is invested at 5% per year compound interest for 3 years (in ₹).
37. 37.A car runs for 1 hour at 66 km/h and then for 1 hour at 44 km/h. What is its average speed for the whole journey (in km/h)?
38. 38.Find the compound interest on ₹38750 at 4% per year for 2 years, added every year (in ₹).
39. 39.Find the amount when ₹36800 is invested at 15% per year compound interest for 2 years (in ₹).
40. 40.What sum of money earns ₹7728 simple interest in 4 years at 14% per year (in ₹)?

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