Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 688 · 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.Sneha and Diya together finish a job in 5 days. Sneha alone takes 6 days. How many days would Diya take alone?
2. 2.A price goes up by 30% and then goes up by 20% more. By what percent has it gone up in all? =
3. 3.By selling a bicycle for ₹2002, a shopkeeper makes a profit of 10%. What did the bicycle cost the shopkeeper (in ₹)?
4. 4.A school bag is marked at ₹3560. The shop gives a 20% discount. How much do you pay (in ₹)?
5. 5.8 years ago, Dev’s mother was twice as old as Dev. The mother is 26 years old now. How old is Dev now?
6. 6.Priya’s father is twice as old as Priya. The sum of their ages is 21 years. How old is the father?
7. 7.Diya puts ₹4600 in a bank at 7% simple interest per year. How much will she have after 4 years (in ₹)?
8. 8.Two discounts of 50% and 20%, one after the other, are the same as one discount of what percent? =
9. 9.5 years ago, Aditya’s mother was four times as old as Aditya. The mother is 49 years old now. How old is Aditya now?
10. 10.Find the amount when ₹41400 is invested at 10% per year compound interest for 2 years (in ₹).
11. 11.A shop sells 4480 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
12. 12.Sneha’s father is four times as old as Sneha. The sum of their ages is 30 years. How old is the father?
13. 13.Find the amount when ₹15625 is invested at 12% per year compound interest for 3 years (in ₹).
14. 14.Farhan and Nisha together finish a job in 5 days. Farhan alone takes 10 days. How many days would Nisha take alone?
15. 15.After a 5% discount, a school bag costs ₹874. What was its marked price (in ₹)?
16. 16.Dev’s father is three times as old as Dev. The sum of their ages is 32 years. How old is the father?
17. 17.The price of a school bag changes from ₹940 to ₹1316. By what percent did it go up?
18. 18.The simple interest on ₹2200 for 4 years is ₹968. What is the rate of interest (% per year)?
19. 19.Change 72 km/h into metres per second.
20. 20.Change 30 m/s into km/h.
21. 21.What is the difference between the compound interest and the simple interest on ₹20000 at 12% per year for 2 years (in ₹)?
22. 22.The average weight of 8 children is 30 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
23. 23.The price of a school bag changes from ₹380 to ₹532. By what percent did it go up?
24. 24.Rohan’s father is five times as old as Rohan. The sum of their ages is 72 years. How old is the father?
25. 25.Find the amount when ₹16000 is invested at 10% per year compound interest for 3 years (in ₹).
26. 26.How many minutes does a car take to go 99 km at 44 km/h?
27. 27.Find the simple interest on ₹13100 at 2% per year for 1 year (in ₹).
28. 28.Find the compound interest on ₹38400 at 5% per year for 2 years, added every year (in ₹).
29. 29.Aditya and Ishaan together finish a job in 3 days. Aditya alone takes 4 days. How many days would Ishaan take alone?
30. 30.4 years ago, Rahul’s mother was four times as old as Rahul. The mother is 20 years old now. How old is Rahul now?
31. 31.A shop sells an average of 54 kg of sugar a day for 5 days, and then 66 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
32. 32.By selling a watch for ₹924, a shopkeeper makes a loss of 40%. What did the watch cost the shopkeeper (in ₹)?
33. 33.Dev’s father is twice as old as Dev. The sum of their ages is 15 years. How old is the father?
34. 34.Tara is 5 years older than Meera. In 10 years, the sum of their ages will be 79. How old is Meera now?
35. 35.Tara can finish a job in 10 days and Farhan in 19 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
36. 36.A town has 3400 people. Its population grows by 30%. How many people live there now?
37. 37.A cricket bat bought for ₹160 is sold at a loss of 30%. What is the selling price (in ₹)?
38. 38.The average of 5 numbers is 39. When one more number is added, the average becomes 45. What number was added?
39. 39.A pressure cooker bought for ₹440 is sold at a loss of 40%. What is the selling price (in ₹)?
40. 40.Find the compound interest on ₹31250 at 8% per year for 3 years, added every year (in ₹).

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