Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 37 · 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.Rahul can finish a job in 6 days and Priya in 9 days. Rahul works alone for 4 days and then stops. Priya finishes the rest. How many days does Priya take?
2. 2.A cricket bat is marked at ₹980. The shop gives a 25% discount. How much do you pay (in ₹)?
3. 3.6 years ago, Kavya’s mother was four times as old as Kavya. The mother is 50 years old now. How old is Kavya now?
4. 4.The price of a school bag changes from ₹420 to ₹630. By what percent did it go up?
5. 5.A price goes up by 30% and then comes down by 20%. By what percent has it gone up in all? =
6. 6.6 years ago, Dev’s mother was three times as old as Dev. The mother is 36 years old now. How old is Dev now?
7. 7.Find the simple interest on ₹13400 at 10% per year for 3 years (in ₹).
8. 8.Karan is 3 years older than Kavya. In 6 years, the sum of their ages will be 37. How old is Kavya now?
9. 9.Kabir can finish a job in 6 days and Aditya in 19 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
10. 10.Diya’s father is three times as old as Diya. The sum of their ages is 40 years. How old is Diya?
11. 11.In how many years will ₹9500 earn ₹1520 as simple interest at 4% per year?
12. 12.By selling a cricket bat for ₹1617, a shopkeeper makes a profit of 5%. What did the cricket bat cost the shopkeeper (in ₹)?
13. 13.Manav’s father is four times as old as Manav. The sum of their ages is 40 years. How old is Manav?
14. 14.10 years ago, Nisha’s mother was twice as old as Nisha. The mother is 28 years old now. How old is Nisha now?
15. 15.Kabir cycles to his school at 30 km/h and comes back by the same road at 70 km/h. What is his average speed for the whole trip (in km/h)?
16. 16.The price of a bicycle is ₹400. It goes up by 10%. What is the new price (in ₹)?
17. 17.Zoya’s batting average after 12 innings is 50 runs. How many runs must Zoya score in the next innings to raise the average to 55?
18. 18.The average weight of 6 children is 34 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
19. 19.A study lamp bought for ₹80 is sold at a loss of 30%. What is the selling price (in ₹)?
20. 20.Find the amount when ₹13700 is invested at 10% per year compound interest for 2 years (in ₹).
21. 21.Find the compound interest on ₹48900 at 10% per year for 2 years, added every year (in ₹).
22. 22.Two discounts of 25% and 20%, one after the other, are the same as one discount of what percent? =
23. 23.Change 25 m/s into km/h.
24. 24.What is the difference between the compound interest and the simple interest on ₹47500 at 12% per year for 2 years (in ₹)?
25. 25.Find the amount when ₹17200 is invested at 5% per year compound interest for 2 years (in ₹).
26. 26.A shopkeeper buys a bicycle for ₹840 and sells it for ₹882. Find the profit percent.
27. 27.A water tank holds 1000 litres. 40% of the water is used. How many litres are left?
28. 28.Farhan works three times as fast as Pooja. Together they finish a job in 11 days. How many days would Pooja take alone?
29. 29.Pooja and Manav together finish a job in 2 days. Pooja alone takes 3 days. How many days would Manav take alone?
30. 30.Find the compound interest on ₹4375 at 12% per year for 2 years, added every year (in ₹).
31. 31.A pair of shoes is marked at ₹440. The shop takes 25% off, and then a further 10% off the new price. How much do you pay (in ₹)?
32. 32.Change 40 m/s into km/h.
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.In 20 years, Meera will be twice as old as Meera was 6 years ago. How old is Meera now?
35. 35.A school bag bought for ₹1680 is sold at a loss of 10%. What is the selling price (in ₹)?
36. 36.A price comes down by 25% and then comes down by 40% more. By what percent has it come down in all? =
37. 37.How many minutes does a car take to go 148 km at 60 km/h?
38. 38.Find the amount when ₹28750 is invested at 8% per year compound interest for 2 years (in ₹).
39. 39.A price comes down by 15% and then comes down by 40% more. By what percent has it come down in all? =
40. 40.Change 18 km/h into metres per second.

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