Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 108 · 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 2 years, Saanvi will be twice as old as Saanvi was 5 years ago. How old is Saanvi now?
2. 2.A shop sells an average of 23 kg of sugar a day for 3 days, and then 68 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
3. 3.Marks of 4 friends in a quiz: 70, 63, 56, 71. What is their average mark?
4. 4.A car runs for 1 hour at 67 km/h and then for 1 hour at 47 km/h. What is its average speed for the whole journey (in km/h)?
5. 5.By selling a bicycle for ₹1330, a shopkeeper makes a loss of 5%. What did the bicycle cost the shopkeeper (in ₹)?
6. 6.A table fan is marked at ₹480. The shop gives a 25% discount. How much do you pay (in ₹)?
7. 7.What is the difference between the compound interest and the simple interest on ₹2800 at 15% per year for 2 years (in ₹)?
8. 8.Pooja can finish a job in 14 days and Zoya in 7 days. Pooja works alone for 2 days and then stops. Zoya finishes the rest. How many days does Zoya take?
9. 9.Two discounts of 50% and 20%, one after the other, are the same as one discount of what percent? =
10. 10.Karan’s father is twice as old as Karan. The sum of their ages is 33 years. How old is the father?
11. 11.Arjun’s father is twice as old as Arjun. The sum of their ages is 39 years. How old is the father?
12. 12.By selling a school bag for ₹1500, a shopkeeper makes a profit of 50%. What did the school bag cost the shopkeeper (in ₹)?
13. 13.By selling a watch for ₹972, a shopkeeper makes a loss of 10%. What did the watch cost the shopkeeper (in ₹)?
14. 14.Find the amount when ₹7040 is invested at 25% per year compound interest for 3 years (in ₹).
15. 15.In how many years will ₹9900 earn ₹792 as simple interest at 4% per year?
16. 16.What is the difference between the compound interest and the simple interest on ₹4100 at 10% per year for 2 years (in ₹)?
17. 17.Find the compound interest on ₹8000 at 5% per year for 3 years, added every year (in ₹).
18. 18.Find the simple interest on ₹12200 at 4% per year for 3 years (in ₹).
19. 19.Marks of 4 friends in a quiz: 52, 28, 33, 43. What is their average mark?
20. 20.What is the difference between the compound interest and the simple interest on ₹43200 at 10% per year for 2 years (in ₹)?
21. 21.A pair of shoes is marked at ₹560. The shop gives a 30% discount. How much do you pay (in ₹)?
22. 22.Find the simple interest on ₹12200 at 11% per year for 1 year (in ₹).
23. 23.Manav’s father is twice as old as Manav. The sum of their ages is 21 years. How old is the father?
24. 24.Marks of 6 friends in a quiz: 39, 27, 34, 39, 45, 44. What is their average mark?
25. 25.By selling a watch for ₹1273, a shopkeeper makes a loss of 5%. What did the watch cost the shopkeeper (in ₹)?
26. 26.A watch is marked at ₹465. The shop takes 20% off, and then a further 25% off the new price. How much do you pay (in ₹)?
27. 27.Ananya can finish a job in 19 days and Kabir in 15 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
28. 28.A shop sells 4160 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
29. 29.A bicycle is marked at ₹760. The shop takes 25% off, and then a further 10% off the new price. How much do you pay (in ₹)?
30. 30.By selling a pressure cooker for ₹380, a shopkeeper makes a loss of 5%. What did the pressure cooker cost the shopkeeper (in ₹)?
31. 31.What sum of money earns ₹1050 simple interest in 1 year at 6% per year (in ₹)?
32. 32.How many minutes does a car take to go 22 km at 44 km/h?
33. 33.A cricket bat marked at ₹1580 is sold for ₹1185. What is the discount percent?
34. 34.The price of a school bag changes from ₹3600 to ₹3780. By what percent did it go up?
35. 35.The price of a bicycle is ₹3380. It goes up by 5%. What is the new price (in ₹)?
36. 36.A study lamp marked at ₹2620 is sold for ₹2489. What is the discount percent?
37. 37.A shop sells 2860 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
38. 38.After a 10% discount, a pair of shoes costs ₹1728. What was its marked price (in ₹)?
39. 39.In how many years will ₹8100 earn ₹2916 as simple interest at 9% per year?
40. 40.A pair of shoes marked at ₹4800 is sold for ₹4320. What is the discount percent?

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