Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 443 · 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 29 years, Kabir will be twice as old as Kabir was 5 years ago. How old is Kabir now?
2. 2.Isha can finish a job in 17 days and Sneha in 14 days. What fraction of the job do they finish if they work together for 2 days? =
3. 3.A study lamp is marked at ₹480. The shop gives a 40% discount. How much do you pay (in ₹)?
4. 4.Meera can finish a job in 15 days and Manav in 2 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
5. 5.After a 20% discount, a study lamp costs ₹2944. What was its marked price (in ₹)?
6. 6.By selling a cricket bat for ₹120, a shopkeeper makes a profit of 50%. What did the cricket bat cost the shopkeeper (in ₹)?
7. 7.Zoya’s father is three times as old as Zoya. The sum of their ages is 20 years. How old is the father?
8. 8.The price of a school bag changes from ₹900 to ₹1125. By what percent did it go up?
9. 9.Find the amount when ₹36400 is invested at 10% per year compound interest for 2 years (in ₹).
10. 10.Kabir can finish a job in 10 days and Pooja in 16 days. What fraction of the job do they finish if they work together for 2 days? =
11. 11.Meera works three times as fast as Sneha. Together they finish a job in 2 days. How many days would Sneha take alone?
12. 12.A school bag is marked at ₹180. The shop gives a 5% discount. How much do you pay (in ₹)?
13. 13.A car runs for 3 hours at 22 km/h and then for 1 hour at 26 km/h. What is its average speed for the whole journey (in km/h)?
14. 14.A bicycle is marked at ₹420. The shop gives a 25% discount. How much do you pay (in ₹)?
15. 15.9 years ago, Zoya’s mother was twice as old as Zoya. The mother is 21 years old now. How old is Zoya now?
16. 16.The price of a school bag changes from ₹4020 to ₹3417. By what percent did it come down?
17. 17.Find the simple interest on ₹12700 at 15% per year for 3 years (in ₹).
18. 18.Meera is 2 years older than Rohan. In 10 years, the sum of their ages will be 32. How old is Rohan now?
19. 19.Rohan can finish a job in 15 days and Karan in 27 days. Rohan works alone for 10 days and then stops. Karan finishes the rest. How many days does Karan take?
20. 20.Kabir’s batting average after 13 innings is 34 runs. How many runs must Kabir score in the next innings to raise the average to 36?
21. 21.Tara and Kavya together finish a job in 3 days. Tara alone takes 4 days. How many days would Kavya take alone?
22. 22.Find the simple interest on ₹7700 at 3% per year for 2 years (in ₹).
23. 23.By selling a study lamp for ₹276, a shopkeeper makes a loss of 40%. What did the study lamp cost the shopkeeper (in ₹)?
24. 24.By selling a cricket bat for ₹408, a shopkeeper makes a profit of 20%. What did the cricket bat cost the shopkeeper (in ₹)?
25. 25.Find the amount when ₹31250 is invested at 12% per year compound interest for 3 years (in ₹).
26. 26.A bicycle is marked at ₹1800. The shop gives a 30% discount. How much do you pay (in ₹)?
27. 27.What sum of money earns ₹1330 simple interest in 1 year at 7% per year (in ₹)?
28. 28.Change 40 m/s into km/h.
29. 29.Priya’s father is twice as old as Priya. The sum of their ages is 21 years. How old is Priya?
30. 30.A water tank holds 320 litres. 30% of the water is used. How many litres are left?
31. 31.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
32. 32.Aarav and Meera together finish a job in 9 days. Aarav alone takes 18 days. How many days would Meera take alone?
33. 33.A pair of shoes marked at ₹240 is sold for ₹216. What is the discount percent?
34. 34.The simple interest on ₹1600 for 4 years is ₹576. What is the rate of interest (% per year)?
35. 35.A price goes up by 20% and then goes up by 50% more. By what percent has it gone up in all? =
36. 36.A bicycle is marked at ₹448. The shop takes 50% off, and then a further 50% off the new price. How much do you pay (in ₹)?
37. 37.Find the amount when ₹14000 is invested at 10% per year compound interest for 3 years (in ₹).
38. 38.A watch marked at ₹4960 is sold for ₹3968. What is the discount percent?
39. 39.A car runs for 2 hours at 21 km/h and then for 2 hours at 75 km/h. What is its average speed for the whole journey (in km/h)?
40. 40.After a 10% discount, a study lamp costs ₹2646. What was its marked price (in ₹)?

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