Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 152 · 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.Ishaan’s father is three times as old as Ishaan. The sum of their ages is 60 years. How old is Ishaan?
2. 2.Kabir cycles to his school at 14 km/h and comes back by the same road at 84 km/h. What is his average speed for the whole trip (in km/h)?
3. 3.A water tank holds 1720 litres. 25% of the water is used. How many litres are left?
4. 4.Find the compound interest on ₹9375 at 12% per year for 2 years, added every year (in ₹).
5. 5.How many minutes does a car take to go 101 km at 60 km/h?
6. 6.In how many years will ₹10000 earn ₹600 as simple interest at 2% per year?
7. 7.The simple interest on ₹17400 for 5 years is ₹9570. What is the rate of interest (% per year)?
8. 8.The simple interest on ₹1300 for 1 year is ₹143. What is the rate of interest (% per year)?
9. 9.A town has 1640 people. Its population grows by 20%. How many people live there now?
10. 10.Find the compound interest on ₹24000 at 5% per year for 3 years, added every year (in ₹).
11. 11.A water tank holds 280 litres. 10% of the water is used. How many litres are left?
12. 12.Find the compound interest on ₹25625 at 4% per year for 2 years, added every year (in ₹).
13. 13.A bus runs at 32 km/h. How far does it go in 45 minutes (in km)?
14. 14.Karan can finish a job in 14 days and Zoya in 3 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
15. 15.A water tank holds 3220 litres. 20% of the water is used. How many litres are left?
16. 16.The average of 7 numbers is 60. When one more number is added, the average becomes 64. What number was added?
17. 17.The average of 9 numbers is 17. When one more number is added, the average becomes 19. What number was added?
18. 18.Manav and Kavya together finish a job in 7 days. Manav alone takes 14 days. How many days would Kavya take alone?
19. 19.A shop sells an average of 76 kg of sugar a day for 3 days, and then 58 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
20. 20.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
21. 21.After a 50% discount, a bicycle costs ₹1250. What was its marked price (in ₹)?
22. 22.A school bag is marked at ₹1360. The shop gives a 50% discount. How much do you pay (in ₹)?
23. 23.The simple interest on ₹14000 for 2 years is ₹3080. What is the rate of interest (% per year)?
24. 24.The price of a school bag changes from ₹3760 to ₹3008. By what percent did it come down?
25. 25.After a 30% discount, a table fan costs ₹1932. What was its marked price (in ₹)?
26. 26.Find the compound interest on ₹400 at 5% per year for 2 years, added every year (in ₹).
27. 27.By selling a table fan for ₹1298, a shopkeeper makes a profit of 10%. What did the table fan cost the shopkeeper (in ₹)?
28. 28.7 years ago, Ishaan’s mother was four times as old as Ishaan. The mother is 43 years old now. How old is Ishaan now?
29. 29.Find the simple interest on ₹7600 at 5% per year for 1 year (in ₹).
30. 30.Meera is 2 years older than Kavya. In 7 years, the sum of their ages will be 54. How old is Kavya now?
31. 31.The simple interest on ₹3800 for 1 year is ₹456. What is the rate of interest (% per year)?
32. 32.A town has 900 people. Its population grows by 10%. How many people live there now?
33. 33.Isha can finish a job in 9 days and Kabir in 27 days. Isha works alone for 8 days and then stops. Kabir finishes the rest. How many days does Kabir take?
34. 34.A study lamp bought for ₹860 is sold at a profit of 40%. What is the selling price (in ₹)?
35. 35.A water tank holds 920 litres. 20% of the water is used. How many litres are left?
36. 36.By selling a bicycle for ₹840, a shopkeeper makes a profit of 40%. What did the bicycle cost the shopkeeper (in ₹)?
37. 37.A price goes up by 25% and then comes down by 15%. By what percent has it gone up in all? =
38. 38.A price goes up by 15% and then goes up by 50% more. By what percent has it gone up in all? =
39. 39.A cricket bat bought for ₹760 is sold at a loss of 10%. What is the selling price (in ₹)?
40. 40.Karan is 4 years older than Vivaan. In 9 years, the sum of their ages will be 40. How old is Vivaan now?

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