Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 300 · 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.A pair of shoes is marked at ₹1020. The shop gives a 20% discount. How much do you pay (in ₹)?
2. 2.By selling a pair of shoes for ₹1716, a shopkeeper makes a profit of 30%. What did the pair of shoes cost the shopkeeper (in ₹)?
3. 3.Find the compound interest on ₹17500 at 4% per year for 2 years, added every year (in ₹).
4. 4.2 years ago, Saanvi’s mother was three times as old as Saanvi. The mother is 29 years old now. How old is Saanvi now?
5. 5.Find the amount when ₹44800 is invested at 5% per year compound interest for 2 years (in ₹).
6. 6.What sum of money earns ₹1323 simple interest in 1 year at 9% per year (in ₹)?
7. 7.After a 50% discount, a pair of shoes costs ₹90. What was its marked price (in ₹)?
8. 8.Find the amount when ₹14375 is invested at 20% per year compound interest for 3 years (in ₹).
9. 9.Vivaan is 5 years older than Ishaan. In 2 years, the sum of their ages will be 49. How old is Ishaan now?
10. 10.Kabir cycles to his school at 90 km/h and comes back by the same road at 60 km/h. What is his average speed for the whole trip (in km/h)?
11. 11.Kabir cycles to his school at 33 km/h and comes back by the same road at 88 km/h. What is his average speed for the whole trip (in km/h)?
12. 12.By selling a watch for ₹425, a shopkeeper makes a profit of 25%. What did the watch cost the shopkeeper (in ₹)?
13. 13.The price of a bicycle is ₹4640. It goes up by 10%. What is the new price (in ₹)?
14. 14.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
15. 15.The average of 8 numbers is 29. When one more number is added, the average becomes 30. What number was added?
16. 16.Aarav’s batting average after 7 innings is 39 runs. How many runs must Aarav score in the next innings to raise the average to 40?
17. 17.Sneha is 9 years older than Saanvi. In 7 years, the sum of their ages will be 51. How old is Saanvi now?
18. 18.Pooja works twice as fast as Dev. Together they finish a job in 3 days. How many days would Dev take alone?
19. 19.A water tank holds 4880 litres. 40% of the water is used. How many litres are left?
20. 20.Rohan is 3 years older than Diya. In 7 years, the sum of their ages will be 63. How old is Diya now?
21. 21.By selling a table fan for ₹252, a shopkeeper makes a profit of 5%. What did the table fan cost the shopkeeper (in ₹)?
22. 22.Marks of 5 friends in a quiz: 51, 56, 48, 56, 19. What is their average mark?
23. 23.Change 5 m/s into km/h.
24. 24.Manav can finish a job in 18 days and Tara in 13 days. What fraction of the job do they finish if they work together for 2 days? =
25. 25.Two discounts of 50% and 50%, one after the other, are the same as one discount of what percent? =
26. 26.A study lamp is marked at ₹3980. The shop gives a 10% discount. How much do you pay (in ₹)?
27. 27.Pooja can finish a job in 18 days and Isha in 9 days. Pooja works alone for 6 days and then stops. Isha finishes the rest. How many days does Isha take?
28. 28.By selling a watch for ₹2520, a shopkeeper makes a profit of 40%. What did the watch cost the shopkeeper (in ₹)?
29. 29.A water tank holds 4860 litres. 15% of the water is used. How many litres are left?
30. 30.Ishaan’s father is twice as old as Ishaan. The sum of their ages is 42 years. How old is Ishaan?
31. 31.Kabir cycles to his school at 72 km/h and comes back by the same road at 56 km/h. What is his average speed for the whole trip (in km/h)?
32. 32.How many minutes does a car take to go 128 km at 40 km/h?
33. 33.A watch is marked at ₹2520. The shop gives a 40% discount. How much do you pay (in ₹)?
34. 34.Diya puts ₹8300 in a bank at 8% simple interest per year. How much will she have after 3 years (in ₹)?
35. 35.A shop sells 780 cups of tea a month. Next month it sells 20% more. How many cups does it sell next month?
36. 36.A shop sells 4520 cups of tea a month. Next month it sells 30% more. How many cups does it sell next month?
37. 37.Change 15 m/s into km/h.
38. 38.Sneha can finish a job in 3 days and Zoya in 4 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
39. 39.What is the difference between the compound interest and the simple interest on ₹26300 at 20% per year for 2 years (in ₹)?
40. 40.A water tank holds 1440 litres. 40% of the water is used. How many litres are left?

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