Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 24 · 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.After a 10% discount, a table fan costs ₹1026. What was its marked price (in ₹)?
2. 2.A cricket bat marked at ₹3100 is sold for ₹2790. What is the discount percent?
3. 3.Change 20 m/s into km/h.
4. 4.In how many years will ₹5400 earn ₹540 as simple interest at 10% per year?
5. 5.What is the difference between the compound interest and the simple interest on ₹3100 at 20% per year for 2 years (in ₹)?
6. 6.Change 108 km/h into metres per second.
7. 7.The average of 6 numbers is 21. When one more number is added, the average becomes 23. What number was added?
8. 8.Find the compound interest on ₹40192 at 25% per year for 3 years, added every year (in ₹).
9. 9.Ishaan’s father is four times as old as Ishaan. The sum of their ages is 50 years. How old is Ishaan?
10. 10.How many minutes does a car take to go 33 km at 45 km/h?
11. 11.Marks of 6 friends in a quiz: 22, 25, 31, 48, 22, 68. What is their average mark?
12. 12.A pressure cooker marked at ₹4480 is sold for ₹3808. What is the discount percent?
13. 13.The price of a school bag changes from ₹100 to ₹140. By what percent did it go up?
14. 14.The price of a school bag changes from ₹140 to ₹154. By what percent did it go up?
15. 15.Find the amount when ₹24000 is invested at 5% per year compound interest for 3 years (in ₹).
16. 16.How many minutes does a car take to go 12 km at 40 km/h?
17. 17.Find the amount when ₹13500 is invested at 20% per year compound interest for 2 years (in ₹).
18. 18.By selling a pressure cooker for ₹612, a shopkeeper makes a loss of 15%. What did the pressure cooker cost the shopkeeper (in ₹)?
19. 19.A table fan is marked at ₹485. The shop takes 20% off, and then a further 25% off the new price. How much do you pay (in ₹)?
20. 20.By selling a bicycle for ₹390, a shopkeeper makes a profit of 50%. What did the bicycle cost the shopkeeper (in ₹)?
21. 21.Ishaan can finish a job in 4 days and Sneha in 13 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
22. 22.Isha can finish a job in 12 days and Karan in 4 days. What fraction of the job do they finish if they work together for 1 day? =
23. 23.By selling a cricket bat for ₹2016, a shopkeeper makes a profit of 5%. What did the cricket bat cost the shopkeeper (in ₹)?
24. 24.A pair of shoes bought for ₹1340 is sold at a loss of 40%. What is the selling price (in ₹)?
25. 25.Pooja can finish a job in 17 days and Tara in 6 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
26. 26.Zoya’s father is twice as old as Zoya. The sum of their ages is 15 years. How old is Zoya?
27. 27.What sum of money earns ₹3172 simple interest in 4 years at 13% per year (in ₹)?
28. 28.The price of a bicycle is ₹2200. It goes up by 50%. What is the new price (in ₹)?
29. 29.A pressure cooker is marked at ₹3980. The shop gives a 50% discount. How much do you pay (in ₹)?
30. 30.Kabir cycles to his school at 48 km/h and comes back by the same road at 16 km/h. What is his average speed for the whole trip (in km/h)?
31. 31.Find the amount when ₹16875 is invested at 8% per year compound interest for 2 years (in ₹).
32. 32.A town has 2920 people. Its population grows by 15%. How many people live there now?
33. 33.Meera and Isha together finish a job in 7 days. Meera alone takes 8 days. How many days would Isha take alone?
34. 34.A pair of shoes is marked at ₹1440. The shop gives a 5% discount. How much do you pay (in ₹)?
35. 35.Kabir cycles to his school at 14 km/h and comes back by the same road at 35 km/h. What is his average speed for the whole trip (in km/h)?
36. 36.A water tank holds 1040 litres. 5% of the water is used. How many litres are left?
37. 37.The average weight of 6 children is 33 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
38. 38.A shopkeeper buys a bicycle for ₹560 and sells it for ₹336. Find the loss percent.
39. 39.Change 15 m/s into km/h.
40. 40.Marks of 6 friends in a quiz: 64, 56, 75, 58, 57, 92. What is their average mark?

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