Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 568 · 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 28 years, Vivaan will be three times as old as Vivaan was 2 years ago. How old is Vivaan now?
2. 2.What is the difference between the compound interest and the simple interest on ₹41600 at 5% per year for 2 years (in ₹)?
3. 3.Farhan’s father is twice as old as Farhan. The sum of their ages is 24 years. How old is Farhan?
4. 4.After a 50% discount, a cricket bat costs ₹750. What was its marked price (in ₹)?
5. 5.A pressure cooker is marked at ₹1200. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?
6. 6.In 26 years, Ananya will be twice as old as Ananya was 5 years ago. How old is Ananya now?
7. 7.In how many years will ₹11000 earn ₹990 as simple interest at 3% per year?
8. 8.Kabir cycles to his school at 56 km/h and comes back by the same road at 42 km/h. What is his average speed for the whole trip (in km/h)?
9. 9.The price of a school bag changes from ₹4080 to ₹3672. By what percent did it come down?
10. 10.5 years ago, Rohan’s mother was three times as old as Rohan. The mother is 29 years old now. How old is Rohan now?
11. 11.Arjun can finish a job in 14 days and Karan in 8 days. Arjun works alone for 7 days and then stops. Karan finishes the rest. How many days does Karan take?
12. 12.A shop sells an average of 33 kg of sugar a day for 5 days, and then 47 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
13. 13.By selling a study lamp for ₹1104, a shopkeeper makes a profit of 15%. What did the study lamp cost the shopkeeper (in ₹)?
14. 14.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
15. 15.A pair of shoes is marked at ₹480. The shop takes 10% off, and then a further 25% off the new price. How much do you pay (in ₹)?
16. 16.What is the difference between the compound interest and the simple interest on ₹5200 at 25% per year for 2 years (in ₹)?
17. 17.The average weight of 6 children is 30 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
18. 18.A study lamp bought for ₹1900 is sold at a profit of 40%. What is the selling price (in ₹)?
19. 19.In 9 years, Isha will be twice as old as Isha was 2 years ago. How old is Isha now?
20. 20.By selling a watch for ₹2054, a shopkeeper makes a profit of 30%. What did the watch cost the shopkeeper (in ₹)?
21. 21.The simple interest on ₹3300 for 2 years is ₹132. What is the rate of interest (% per year)?
22. 22.By selling a watch for ₹848, a shopkeeper makes a loss of 20%. What did the watch cost the shopkeeper (in ₹)?
23. 23.Diya puts ₹10000 in a bank at 5% simple interest per year. How much will she have after 4 years (in ₹)?
24. 24.Ananya and Aarav together finish a job in 3 days. Ananya alone takes 6 days. How many days would Aarav take alone?
25. 25.The price of a school bag changes from ₹3000 to ₹3450. By what percent did it go up?
26. 26.Change 40 m/s into km/h.
27. 27.A pressure cooker bought for ₹240 is sold at a loss of 30%. What is the selling price (in ₹)?
28. 28.A car runs for 2 hours at 28 km/h and then for 2 hours at 48 km/h. What is its average speed for the whole journey (in km/h)?
29. 29.After a 10% discount, a school bag costs ₹3456. What was its marked price (in ₹)?
30. 30.A water tank holds 3740 litres. 50% of the water is used. How many litres are left?
31. 31.7 years ago, Ishaan’s mother was four times as old as Ishaan. The mother is 47 years old now. How old is Ishaan now?
32. 32.Farhan’s father is three times as old as Farhan. The sum of their ages is 40 years. How old is Farhan?
33. 33.A school bag marked at ₹2940 is sold for ₹2499. What is the discount percent?
34. 34.The average weight of 7 children is 28 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
35. 35.Change 18 km/h into metres per second.
36. 36.The price of a school bag changes from ₹4260 to ₹4473. By what percent did it go up?
37. 37.Saanvi can finish a job in 24 days and Isha in 18 days. Saanvi works alone for 8 days and then stops. Isha finishes the rest. How many days does Isha take?
38. 38.What sum of money earns ₹960 simple interest in 2 years at 6% per year (in ₹)?
39. 39.After a 10% discount, a study lamp costs ₹4068. What was its marked price (in ₹)?
40. 40.Find the amount when ₹31250 is invested at 4% per year compound interest for 3 years (in ₹).

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