Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 869 · 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 1 years, Rohan will be twice as old as Rohan was 6 years ago. How old is Rohan now?
2. 2.What sum of money earns ₹108 simple interest in 2 years at 2% per year (in ₹)?
3. 3.Find the amount when ₹12500 is invested at 4% per year compound interest for 2 years (in ₹).
4. 4.A watch bought for ₹1180 is sold at a profit of 40%. What is the selling price (in ₹)?
5. 5.The average weight of 7 children is 39 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
6. 6.A bus runs at 36 km/h. How far does it go in 45 minutes (in km)?
7. 7.Find the compound interest on ₹16000 at 15% per year for 2 years, added every year (in ₹).
8. 8.Change 54 km/h into metres per second.
9. 9.Rohan’s father is twice as old as Rohan. The sum of their ages is 39 years. How old is the father?
10. 10.Change 108 km/h into metres per second.
11. 11.After a 10% discount, a school bag costs ₹1476. What was its marked price (in ₹)?
12. 12.Find the amount when ₹15625 is invested at 4% per year compound interest for 3 years (in ₹).
13. 13.Kabir can finish a job in 16 days and Meera in 5 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
14. 14.By selling a school bag for ₹420, a shopkeeper makes a loss of 50%. What did the school bag cost the shopkeeper (in ₹)?
15. 15.A bus runs at 52 km/h. How far does it go in 30 minutes (in km)?
16. 16.A bus runs at 82 km/h. How far does it go in 90 minutes (in km)?
17. 17.A car runs for 4 hours at 34 km/h and then for 3 hours at 20 km/h. What is its average speed for the whole journey (in km/h)?
18. 18.A school bag marked at ₹100 is sold for ₹85. What is the discount percent?
19. 19.Isha’s father is twice as old as Isha. The sum of their ages is 39 years. How old is Isha?
20. 20.A town has 4300 people. Its population grows by 40%. How many people live there now?
21. 21.Find the compound interest on ₹15625 at 4% per year for 3 years, added every year (in ₹).
22. 22.A study lamp is marked at ₹664. The shop takes 25% off, and then a further 50% off the new price. How much do you pay (in ₹)?
23. 23.The price of a school bag changes from ₹1260 to ₹1764. By what percent did it go up?
24. 24.How many minutes does a car take to go 147 km at 42 km/h?
25. 25.4 years ago, Sneha’s mother was twice as old as Sneha. The mother is 16 years old now. How old is Sneha now?
26. 26.After a 40% discount, a cricket bat costs ₹708. What was its marked price (in ₹)?
27. 27.Two discounts of 50% and 20%, one after the other, are the same as one discount of what percent? =
28. 28.The average of 4 numbers is 53. When one more number is added, the average becomes 57. What number was added?
29. 29.Ishaan is 9 years older than Farhan. In 2 years, the sum of their ages will be 69. How old is Farhan now?
30. 30.What is the difference between the compound interest and the simple interest on ₹45000 at 4% per year for 2 years (in ₹)?
31. 31.The price of a school bag changes from ₹4940 to ₹7410. By what percent did it go up?
32. 32.A water tank holds 4480 litres. 30% of the water is used. How many litres are left?
33. 33.Ananya can finish a job in 9 days and Zoya in 19 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
34. 34.A price goes up by 30% and then goes up by 20% more. By what percent has it gone up in all? =
35. 35.Diya puts ₹1500 in a bank at 6% simple interest per year. How much will she have after 4 years (in ₹)?
36. 36.The average of 4 numbers is 16. When one more number is added, the average becomes 18. What number was added?
37. 37.A cricket bat bought for ₹700 is sold at a profit of 40%. What is the selling price (in ₹)?
38. 38.Change 35 m/s into km/h.
39. 39.Find the compound interest on ₹46875 at 12% per year for 3 years, added every year (in ₹).
40. 40.In how many years will ₹2900 earn ₹812 as simple interest at 7% per year?

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