Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 302 · 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. 1.8 years ago, Kabir’s mother was twice as old as Kabir. The mother is 14 years old now. How old is Kabir now?
2. 2.The price of a school bag changes from ₹420 to ₹399. By what percent did it come down?
3. 3.A water tank holds 1840 litres. 40% of the water is used. How many litres are left?
4. 4.In 24 years, Kabir will be three times as old as Kabir was 4 years ago. How old is Kabir now?
5. 5.A study lamp is marked at ₹4040. The shop gives a 10% discount. How much do you pay (in ₹)?
6. 6.Find the simple interest on ₹18900 at 6% per year for 2 years (in ₹).
7. 7.Manav can finish a job in 4 days and Farhan in 12 days. Manav works alone for 1 day and then stops. Farhan finishes the rest. How many days does Farhan take?
8. 8.The average weight of 5 children is 46 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
9. 9.A bicycle is marked at ₹560. The shop takes 25% off, and then a further 25% off the new price. How much do you pay (in ₹)?
10. 10.A school bag marked at ₹840 is sold for ₹630. What is the discount percent?
11. 11.Priya’s batting average after 12 innings is 21 runs. How many runs must Priya score in the next innings to raise the average to 25?
12. 12.In how many years will ₹5600 earn ₹1344 as simple interest at 8% per year?
13. 13.A cricket bat marked at ₹3980 is sold for ₹3184. What is the discount percent?
14. 14.Find the simple interest on ₹9800 at 4% per year for 5 years (in ₹).
15. 15.How many minutes does a car take to go 41 km at 41 km/h?
16. 16.A shop sells 2300 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
17. 17.Marks of 6 friends in a quiz: 22, 22, 36, 21, 18, 61. What is their average mark?
18. 18.By selling a school bag for ₹1656, a shopkeeper makes a loss of 10%. What did the school bag cost the shopkeeper (in ₹)?
19. 19.Kabir cycles to his school at 28 km/h and comes back by the same road at 21 km/h. What is his average speed for the whole trip (in km/h)?
20. 20.After a 5% discount, a cricket bat costs ₹2869. What was its marked price (in ₹)?
21. 21.A water tank holds 4100 litres. 15% of the water is used. How many litres are left?
22. 22.Vivaan’s father is four times as old as Vivaan. The sum of their ages is 35 years. How old is the father?
23. 23.Diya puts ₹2100 in a bank at 12% simple interest per year. How much will she have after 5 years (in ₹)?
24. 24.A shop sells an average of 47 kg of sugar a day for 2 days, and then 59 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
25. 25.What is the difference between the compound interest and the simple interest on ₹39600 at 25% per year for 2 years (in ₹)?
26. 26.In how many years will ₹1500 earn ₹150 as simple interest at 2% per year?
27. 27.A car runs for 4 hours at 47 km/h and then for 4 hours at 21 km/h. What is its average speed for the whole journey (in km/h)?
28. 28.The price of a bicycle is ₹4820. It goes up by 20%. What is the new price (in ₹)?
29. 29.Marks of 6 friends in a quiz: 93, 95, 99, 88, 74, 61. What is their average mark?
30. 30.Marks of 5 friends in a quiz: 51, 45, 26, 30, 38. What is their average mark?
31. 31.Find the amount when ₹47500 is invested at 20% per year compound interest for 3 years (in ₹).
32. 32.What is the difference between the compound interest and the simple interest on ₹6300 at 10% per year for 2 years (in ₹)?
33. 33.A shopkeeper buys a school bag for ₹1880 and sells it for ₹2162. Find the profit percent.
34. 34.Change 54 km/h into metres per second.
35. 35.What is the difference between the compound interest and the simple interest on ₹32500 at 12% per year for 2 years (in ₹)?
36. 36.Diya’s father is three times as old as Diya. The sum of their ages is 28 years. How old is Diya?
37. 37.Isha is 10 years older than Ishaan. In 7 years, the sum of their ages will be 82. How old is Ishaan now?
38. 38.Isha’s batting average after 6 innings is 22 runs. How many runs must Isha score in the next innings to raise the average to 23?
39. 39.Vivaan works twice as fast as Arjun. Together they finish a job in 3 days. How many days would Arjun take alone?
40. 40.In 20 years, Tara will be twice as old as Tara was 6 years ago. How old is Tara now?

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