Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 885 · 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 10 years, Saanvi will be twice as old as Saanvi was 2 years ago. How old is Saanvi now?
2. 2.A shop sells an average of 78 kg of sugar a day for 3 days, and then 54 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
3. 3.The price of a bicycle is ₹3460. It goes up by 20%. What is the new price (in ₹)?
4. 4.A price goes up by 30% and then goes up by 50% more. By what percent has it gone up in all? =
5. 5.Rahul’s batting average after 12 innings is 39 runs. How many runs must Rahul score in the next innings to raise the average to 41?
6. 6.A water tank holds 2540 litres. 50% of the water is used. How many litres are left?
7. 7.A cricket bat is marked at ₹780. The shop takes 50% off, and then a further 10% off the new price. How much do you pay (in ₹)?
8. 8.A shop sells 880 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
9. 9.In how many years will ₹6800 earn ₹1088 as simple interest at 8% per year?
10. 10.Find the compound interest on ₹8125 at 12% per year for 2 years, added every year (in ₹).
11. 11.The simple interest on ₹19700 for 3 years is ₹7683. What is the rate of interest (% per year)?
12. 12.The average weight of 12 children is 32 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
13. 13.Saanvi can finish a job in 19 days and Arjun in 2 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
14. 14.Rahul can finish a job in 30 days and Aditya in 15 days. Rahul works alone for 22 days and then stops. Aditya finishes the rest. How many days does Aditya take?
15. 15.A bicycle is marked at ₹2900. The shop gives a 15% discount. How much do you pay (in ₹)?
16. 16.Change 40 m/s into km/h.
17. 17.A school bag is marked at ₹620. The shop takes 50% off, and then a further 10% off the new price. How much do you pay (in ₹)?
18. 18.Ishaan’s father is three times as old as Ishaan. The sum of their ages is 44 years. How old is the father?
19. 19.What sum of money earns ₹2595 simple interest in 3 years at 5% per year (in ₹)?
20. 20.Dev’s father is twice as old as Dev. The sum of their ages is 15 years. How old is Dev?
21. 21.Kavya can finish a job in 14 days and Isha in 21 days. Kavya works alone for 10 days and then stops. Isha finishes the rest. How many days does Isha take?
22. 22.The price of a school bag changes from ₹2460 to ₹1476. By what percent did it come down?
23. 23.5 years ago, Tara’s mother was three times as old as Tara. The mother is 41 years old now. How old is Tara now?
24. 24.Sneha’s batting average after 8 innings is 26 runs. How many runs must Sneha score in the next innings to raise the average to 30?
25. 25.The average weight of 8 children is 41 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
26. 26.What is the difference between the compound interest and the simple interest on ₹34400 at 25% per year for 2 years (in ₹)?
27. 27.Find the amount when ₹46875 is invested at 8% per year compound interest for 3 years (in ₹).
28. 28.Kabir cycles to his school at 45 km/h and comes back by the same road at 90 km/h. What is his average speed for the whole trip (in km/h)?
29. 29.A bus runs at 33 km/h. How far does it go in 20 minutes (in km)?
30. 30.In 24 years, Diya will be twice as old as Diya was 5 years ago. How old is Diya now?
31. 31.A shop sells an average of 48 kg of sugar a day for 5 days, and then 40 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
32. 32.Kavya is 8 years older than Farhan. In 4 years, the sum of their ages will be 26. How old is Farhan now?
33. 33.Kabir cycles to his school at 40 km/h and comes back by the same road at 24 km/h. What is his average speed for the whole trip (in km/h)?
34. 34.A study lamp is marked at ₹480. The shop takes 50% off, and then a further 25% off the new price. How much do you pay (in ₹)?
35. 35.Meera is 7 years older than Manav. In 3 years, the sum of their ages will be 53. How old is Manav now?
36. 36.A town has 4240 people. Its population grows by 20%. How many people live there now?
37. 37.9 years ago, Kabir’s mother was three times as old as Kabir. The mother is 27 years old now. How old is Kabir now?
38. 38.What is the difference between the compound interest and the simple interest on ₹45000 at 8% per year for 2 years (in ₹)?
39. 39.Find the compound interest on ₹46875 at 8% per year for 3 years, added every year (in ₹).
40. 40.Change 36 km/h into metres per second.

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