Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 854 · 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.A car runs for 4 hours at 78 km/h and then for 3 hours at 50 km/h. What is its average speed for the whole journey (in km/h)?
2. 2.A cricket bat is marked at ₹1000. The shop takes 20% off, and then a further 20% off the new price. How much do you pay (in ₹)?
3. 3.A shop sells 1840 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
4. 4.Kabir cycles to his school at 50 km/h and comes back by the same road at 75 km/h. What is his average speed for the whole trip (in km/h)?
5. 5.Vivaan is 2 years older than Aarav. In 2 years, the sum of their ages will be 26. How old is Aarav now?
6. 6.A price goes up by 20% and then goes up by 10% more. By what percent has it gone up in all? =
7. 7.Pooja can finish a job in 4 days and Meera in 20 days. Pooja works alone for 3 days and then stops. Meera finishes the rest. How many days does Meera take?
8. 8.The price of a school bag changes from ₹2460 to ₹1845. By what percent did it come down?
9. 9.A bus runs at 54 km/h. How far does it go in 30 minutes (in km)?
10. 10.A price comes down by 40% and then comes down by 50% more. By what percent has it come down in all? =
11. 11.7 years ago, Kabir’s mother was three times as old as Kabir. The mother is 25 years old now. How old is Kabir now?
12. 12.A car runs for 4 hours at 45 km/h and then for 2 hours at 75 km/h. What is its average speed for the whole journey (in km/h)?
13. 13.Kabir can finish a job in 3 days and Ananya in 18 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
14. 14.Priya can finish a job in 6 days and Farhan in 18 days. Priya works alone for 4 days and then stops. Farhan finishes the rest. How many days does Farhan take?
15. 15.A water tank holds 4940 litres. 30% of the water is used. How many litres are left?
16. 16.Saanvi is 2 years older than Meera. In 5 years, the sum of their ages will be 30. How old is Meera now?
17. 17.A cricket bat bought for ₹1400 is sold at a loss of 40%. What is the selling price (in ₹)?
18. 18.After a 25% discount, a table fan costs ₹3195. What was its marked price (in ₹)?
19. 19.Change 72 km/h into metres per second.
20. 20.A cricket bat is marked at ₹4280. The shop gives a 5% discount. How much do you pay (in ₹)?
21. 21.A shopkeeper buys a cricket bat for ₹140 and sells it for ₹112. Find the loss percent.
22. 22.By selling a study lamp for ₹567, a shopkeeper makes a profit of 5%. What did the study lamp cost the shopkeeper (in ₹)?
23. 23.Kabir can finish a job in 4 days and Vivaan in 12 days. Kabir works alone for 3 days and then stops. Vivaan finishes the rest. How many days does Vivaan take?
24. 24.Two discounts of 50% and 25%, one after the other, are the same as one discount of what percent? =
25. 25.Find the simple interest on ₹11500 at 13% per year for 4 years (in ₹).
26. 26.Change 90 km/h into metres per second.
27. 27.A study lamp marked at ₹2580 is sold for ₹2193. What is the discount percent?
28. 28.The simple interest on ₹19900 for 4 years is ₹4776. What is the rate of interest (% per year)?
29. 29.Find the amount when ₹15625 is invested at 12% per year compound interest for 3 years (in ₹).
30. 30.The price of a school bag changes from ₹4180 to ₹2926. By what percent did it come down?
31. 31.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
32. 32.A price comes down by 30% and then comes down by 30% more. By what percent has it come down in all? =
33. 33.Find the amount when ₹5375 is invested at 20% per year compound interest for 3 years (in ₹).
34. 34.In 27 years, Ishaan will be three times as old as Ishaan was 5 years ago. How old is Ishaan now?
35. 35.What is the difference between the compound interest and the simple interest on ₹17500 at 12% per year for 2 years (in ₹)?
36. 36.Find the amount when ₹11968 is invested at 25% per year compound interest for 3 years (in ₹).
37. 37.A shop sells an average of 43 kg of sugar a day for 2 days, and then 28 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
38. 38.A water tank holds 3280 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 ₹2400 at 10% per year for 2 years (in ₹)?
40. 40.In 21 years, Aarav will be twice as old as Aarav was 3 years ago. How old is Aarav now?

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