Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 415 · 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.The simple interest on ₹18900 for 4 years is ₹5292. What is the rate of interest (% per year)?
2. 2.Marks of 5 friends in a quiz: 53, 81, 70, 72, 59. What is their average mark?
3. 3.Kabir cycles to his school at 36 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)?
4. 4.Diya puts ₹18100 in a bank at 15% simple interest per year. How much will she have after 4 years (in ₹)?
5. 5.Find the amount when ₹15200 is invested at 5% per year compound interest for 2 years (in ₹).
6. 6.A water tank holds 3000 litres. 25% of the water is used. How many litres are left?
7. 7.Arjun’s father is four times as old as Arjun. The sum of their ages is 65 years. How old is Arjun?
8. 8.The price of a school bag changes from ₹120 to ₹150. By what percent did it go up?
9. 9.A watch is marked at ₹2900. The shop gives a 50% discount. How much do you pay (in ₹)?
10. 10.By selling a pair of shoes for ₹1204, a shopkeeper makes a profit of 40%. What did the pair of shoes cost the shopkeeper (in ₹)?
11. 11.By selling a cricket bat for ₹1144, a shopkeeper makes a profit of 10%. What did the cricket bat cost the shopkeeper (in ₹)?
12. 12.By selling a cricket bat for ₹722, a shopkeeper makes a loss of 5%. What did the cricket bat cost the shopkeeper (in ₹)?
13. 13.How many minutes does a car take to go 40 km at 30 km/h?
14. 14.Manav is 6 years older than Saanvi. In 6 years, the sum of their ages will be 44. How old is Saanvi now?
15. 15.By selling a bicycle for ₹2184, a shopkeeper makes a profit of 20%. What did the bicycle cost the shopkeeper (in ₹)?
16. 16.Kabir can finish a job in 15 days and Ananya in 20 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
17. 17.Find the compound interest on ₹3648 at 25% per year for 2 years, added every year (in ₹).
18. 18.Find the compound interest on ₹36000 at 20% per year for 3 years, added every year (in ₹).
19. 19.The average weight of 10 children is 36 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
20. 20.The average weight of 7 children is 29 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
21. 21.By selling a bicycle for ₹2376, a shopkeeper makes a profit of 20%. What did the bicycle cost the shopkeeper (in ₹)?
22. 22.A town has 2300 people. Its population grows by 50%. How many people live there now?
23. 23.A cricket bat is marked at ₹160. The shop gives a 30% discount. How much do you pay (in ₹)?
24. 24.Two discounts of 25% and 50%, one after the other, are the same as one discount of what percent? =
25. 25.A shop sells an average of 31 kg of sugar a day for 5 days, and then 69 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
26. 26.A shop sells an average of 53 kg of sugar a day for 3 days, and then 79 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
27. 27.The price of a school bag changes from ₹2820 to ₹2256. By what percent did it come down?
28. 28.A shop sells an average of 32 kg of sugar a day for 4 days, and then 35 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
29. 29.4 years ago, Priya’s mother was three times as old as Priya. The mother is 22 years old now. How old is Priya now?
30. 30.A shop sells 1780 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
31. 31.In 24 years, Pooja will be three times as old as Pooja was 2 years ago. How old is Pooja now?
32. 32.Zoya is 7 years older than Rahul. In 9 years, the sum of their ages will be 43. How old is Rahul now?
33. 33.A water tank holds 4300 litres. 40% of the water is used. How many litres are left?
34. 34.A table fan bought for ₹560 is sold at a profit of 20%. What is the selling price (in ₹)?
35. 35.In 28 years, Ananya will be twice as old as Ananya was 4 years ago. How old is Ananya now?
36. 36.A bus runs at 40 km/h. How far does it go in 15 minutes (in km)?
37. 37.In 29 years, Aditya will be twice as old as Aditya was 4 years ago. How old is Aditya now?
38. 38.A water tank holds 60 litres. 30% of the water is used. How many litres are left?
39. 39.What is the difference between the compound interest and the simple interest on ₹20000 at 8% per year for 2 years (in ₹)?
40. 40.A shopkeeper buys a study lamp for ₹220 and sells it for ₹308. Find the profit percent.

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