Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 653 · 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.Diya puts ₹4500 in a bank at 13% simple interest per year. How much will she have after 4 years (in ₹)?
2. 2.Find the amount when ₹31875 is invested at 8% per year compound interest for 2 years (in ₹).
3. 3.Kabir cycles to his school at 54 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)?
4. 4.Arjun’s father is twice as old as Arjun. The sum of their ages is 42 years. How old is the father?
5. 5.5 years ago, Arjun’s mother was twice as old as Arjun. The mother is 17 years old now. How old is Arjun now?
6. 6.A study lamp is marked at ₹1460. The shop gives a 5% discount. How much do you pay (in ₹)?
7. 7.A shop sells an average of 58 kg of sugar a day for 3 days, and then 78 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
8. 8.A watch is marked at ₹960. The shop takes 50% off, and then a further 10% off the new price. How much do you pay (in ₹)?
9. 9.A study lamp marked at ₹3720 is sold for ₹1860. What is the discount percent?
10. 10.Farhan can finish a job in 30 days and Nisha in 5 days. Farhan works alone for 24 days and then stops. Nisha finishes the rest. How many days does Nisha take?
11. 11.What sum of money earns ₹1458 simple interest in 1 year at 9% per year (in ₹)?
12. 12.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)?
13. 13.Change 5 m/s into km/h.
14. 14.Dev is 3 years older than Kavya. In 2 years, the sum of their ages will be 27. How old is Kavya now?
15. 15.Vivaan’s father is twice as old as Vivaan. The sum of their ages is 36 years. How old is the father?
16. 16.Find the simple interest on ₹14800 at 3% per year for 1 year (in ₹).
17. 17.Two discounts of 20% and 10%, one after the other, are the same as one discount of what percent? =
18. 18.Find the amount when ₹37775 is invested at 20% per year compound interest for 2 years (in ₹).
19. 19.Find the simple interest on ₹10200 at 7% per year for 5 years (in ₹).
20. 20.Marks of 4 friends in a quiz: 32, 10, 15, 43. What is their average mark?
21. 21.Find the amount when ₹3750 is invested at 12% per year compound interest for 2 years (in ₹).
22. 22.Find the simple interest on ₹9400 at 3% per year for 4 years (in ₹).
23. 23.What sum of money earns ₹1971 simple interest in 3 years at 9% per year (in ₹)?
24. 24.A school bag is marked at ₹420. The shop gives a 5% discount. How much do you pay (in ₹)?
25. 25.Change 54 km/h into metres per second.
26. 26.Zoya’s batting average after 11 innings is 21 runs. How many runs must Zoya score in the next innings to raise the average to 26?
27. 27.Ishaan can finish a job in 8 days and Diya in 10 days. Ishaan works alone for 4 days and then stops. Diya finishes the rest. How many days does Diya take?
28. 28.Ishaan’s batting average after 9 innings is 21 runs. How many runs must Ishaan score in the next innings to raise the average to 22?
29. 29.The price of a school bag changes from ₹4260 to ₹4686. By what percent did it go up?
30. 30.By selling a pressure cooker for ₹1416, a shopkeeper makes a profit of 20%. What did the pressure cooker cost the shopkeeper (in ₹)?
31. 31.A pair of shoes bought for ₹1360 is sold at a loss of 25%. What is the selling price (in ₹)?
32. 32.A shop sells an average of 29 kg of sugar a day for 2 days, and then 49 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
33. 33.Tara is 5 years older than Saanvi. In 6 years, the sum of their ages will be 29. How old is Saanvi now?
34. 34.Dev and Pooja together finish a job in 5 days. Dev alone takes 6 days. How many days would Pooja take alone?
35. 35.Two discounts of 25% and 20%, one after the other, are the same as one discount of what percent? =
36. 36.Manav and Sneha together finish a job in 12 days. Manav alone takes 20 days. How many days would Sneha take alone?
37. 37.A cricket bat marked at ₹1920 is sold for ₹1632. What is the discount percent?
38. 38.A table fan is marked at ₹2700. The shop gives a 10% discount. How much do you pay (in ₹)?
39. 39.Find the compound interest on ₹33600 at 15% per year for 2 years, added every year (in ₹).
40. 40.Change 36 km/h into metres per second.

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