Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 76 · 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.Find the amount when ₹27520 is invested at 25% per year compound interest for 3 years (in ₹).
2. 2.Kavya’s father is twice as old as Kavya. The sum of their ages is 36 years. How old is the father?
3. 3.Saanvi is 7 years older than Rohan. In 4 years, the sum of their ages will be 55. How old is Rohan now?
4. 4.Aarav’s father is five times as old as Aarav. The sum of their ages is 36 years. How old is Aarav?
5. 5.Rohan and Farhan together finish a job in 4 days. Rohan alone takes 6 days. How many days would Farhan take alone?
6. 6.Rahul’s father is five times as old as Rahul. The sum of their ages is 60 years. How old is the father?
7. 7.How many minutes does a car take to go 89 km at 30 km/h?
8. 8.In 18 years, Nisha will be twice as old as Nisha was 3 years ago. How old is Nisha now?
9. 9.A water tank holds 2340 litres. 20% of the water is used. How many litres are left?
10. 10.The average weight of 11 children is 28 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
11. 11.5 years ago, Vivaan’s mother was three times as old as Vivaan. The mother is 32 years old now. How old is Vivaan now?
12. 12.Manav’s father is three times as old as Manav. The sum of their ages is 60 years. How old is the father?
13. 13.A water tank holds 4520 litres. 50% of the water is used. How many litres are left?
14. 14.Marks of 4 friends in a quiz: 21, 10, 29, 28. What is their average mark?
15. 15.10 years ago, Manav’s mother was four times as old as Manav. The mother is 26 years old now. How old is Manav now?
16. 16.Find the amount when ₹35600 is invested at 5% per year compound interest for 2 years (in ₹).
17. 17.Find the compound interest on ₹6080 at 25% per year for 3 years, added every year (in ₹).
18. 18.3 years ago, Saanvi’s mother was four times as old as Saanvi. The mother is 31 years old now. How old is Saanvi now?
19. 19.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
20. 20.Find the compound interest on ₹31250 at 4% per year for 2 years, added every year (in ₹).
21. 21.By selling a pair of shoes for ₹1764, a shopkeeper makes a loss of 10%. What did the pair of shoes cost the shopkeeper (in ₹)?
22. 22.In 19 years, Kavya will be three times as old as Kavya was 3 years ago. How old is Kavya now?
23. 23.A shopkeeper buys a bicycle for ₹380 and sells it for ₹361. Find the loss percent.
24. 24.A water tank holds 2680 litres. 30% of the water is used. How many litres are left?
25. 25.A shopkeeper buys a watch for ₹980 and sells it for ₹1372. Find the profit percent.
26. 26.A cricket bat is marked at ₹840. The shop gives a 40% discount. How much do you pay (in ₹)?
27. 27.A town has 240 people. Its population grows by 50%. How many people live there now?
28. 28.In how many years will ₹8600 earn ₹3870 as simple interest at 9% per year?
29. 29.A cricket bat bought for ₹1320 is sold at a loss of 10%. What is the selling price (in ₹)?
30. 30.Aditya can finish a job in 17 days and Meera in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
31. 31.How many minutes does a car take to go 93 km at 30 km/h?
32. 32.What is the difference between the compound interest and the simple interest on ₹14400 at 15% per year for 2 years (in ₹)?
33. 33.A pair of shoes bought for ₹1960 is sold at a profit of 20%. What is the selling price (in ₹)?
34. 34.A shop sells 2820 cups of tea a month. Next month it sells 20% more. How many cups does it sell next month?
35. 35.Change 10 m/s into km/h.
36. 36.Arjun is 7 years older than Rahul. In 7 years, the sum of their ages will be 71. How old is Rahul now?
37. 37.By selling a watch for ₹1534, a shopkeeper makes a profit of 30%. What did the watch cost the shopkeeper (in ₹)?
38. 38.Marks of 6 friends in a quiz: 88, 70, 68, 80, 68, 76. What is their average mark?
39. 39.Two discounts of 20% and 50%, one after the other, are the same as one discount of what percent? =
40. 40.Aarav is 10 years older than Ananya. In 4 years, the sum of their ages will be 32. How old is Ananya now?

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