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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 713 · 40 questions
TalentJR

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.

NameDateTime takenScore ___ / 40
  1. 1.Karan’s father is three times as old as Karan. The sum of their ages is 20 years. How old is Karan?
  2. 2.The price of a school bag changes from ₹2460 to ₹3075. By what percent did it go up?
  3. 3.What is the difference between the compound interest and the simple interest on ₹31200 at 15% per year for 2 years (in ₹)?
  4. 4.Find the simple interest on ₹6100 at 14% per year for 5 years (in ₹).
  5. 5.How many minutes does a car take to go 90 km at 50 km/h?
  6. 6.Rohan can finish a job in 4 days and Meera in 8 days. Rohan works alone for 2 days and then stops. Meera finishes the rest. How many days does Meera take?
  7. 7.A shopkeeper buys a pair of shoes for ₹540 and sells it for ₹621. Find the profit percent.
  8. 8.The average weight of 8 children is 45 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Kabir cycles to his school at 30 km/h and comes back by the same road at 20 km/h. What is his average speed for the whole trip (in km/h)?
  10. 10.Isha’s batting average after 12 innings is 27 runs. How many runs must Isha score in the next innings to raise the average to 28?
  11. 11.In how many years will ₹900 earn ₹252 as simple interest at 14% per year?
  12. 12.A price goes up by 20% and then goes up by 30% more. By what percent has it gone up in all? =
  13. 13.Farhan is 8 years older than Rahul. In 3 years, the sum of their ages will be 26. How old is Rahul now?
  14. 14.Find the simple interest on ₹14200 at 4% per year for 5 years (in ₹).
  15. 15.5 years ago, Rahul’s mother was four times as old as Rahul. The mother is 37 years old now. How old is Rahul now?
  16. 16.Nisha and Manav together finish a job in 4 days. Nisha alone takes 8 days. How many days would Manav take alone?
  17. 17.Diya puts ₹7700 in a bank at 12% simple interest per year. How much will she have after 3 years (in ₹)?
  18. 18.Rahul’s father is four times as old as Rahul. The sum of their ages is 60 years. How old is Rahul?
  19. 19.Change 90 km/h into metres per second.
  20. 20.Find the compound interest on ₹32000 at 10% per year for 3 years, added every year (in ₹).
  21. 21.A cricket bat is marked at ₹2720. The shop gives a 10% discount. How much do you pay (in ₹)?
  22. 22.Find the amount when ₹4500 is invested at 20% per year compound interest for 3 years (in ₹).
  23. 23.A cricket bat is marked at ₹2240. The shop gives a 50% discount. How much do you pay (in ₹)?
  24. 24.A shop sells 3800 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
  25. 25.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
  26. 26.What is the difference between the compound interest and the simple interest on ₹17500 at 8% per year for 2 years (in ₹)?
  27. 27.Vivaan works twice as fast as Aarav. Together they finish a job in 4 days. How many days would Aarav take alone?
  28. 28.A school bag bought for ₹1960 is sold at a profit of 50%. What is the selling price (in ₹)?
  29. 29.Change 25 m/s into km/h.
  30. 30.A price comes down by 5% and then comes down by 50% more. By what percent has it come down in all? =
  31. 31.By selling a bicycle for ₹192, a shopkeeper makes a loss of 40%. What did the bicycle cost the shopkeeper (in ₹)?
  32. 32.Diya can finish a job in 8 days and Manav in 4 days. Diya works alone for 6 days and then stops. Manav finishes the rest. How many days does Manav take?
  33. 33.The price of a school bag changes from ₹2520 to ₹2142. By what percent did it come down?
  34. 34.A shopkeeper buys a bicycle for ₹1680 and sells it for ₹1008. Find the loss percent.
  35. 35.A shop sells 2060 cups of tea a month. Next month it sells 20% more. How many cups does it sell next month?
  36. 36.A pair of shoes is marked at ₹1060. The shop takes 50% off, and then a further 10% off the new price. How much do you pay (in ₹)?
  37. 37.A bicycle is marked at ₹1440. The shop gives a 50% discount. How much do you pay (in ₹)?
  38. 38.Pooja is 10 years older than Dev. In 4 years, the sum of their ages will be 50. How old is Dev now?
  39. 39.Two discounts of 25% and 20%, one after the other, are the same as one discount of what percent? =
  40. 40.A town has 3640 people. Its population grows by 20%. How many people live there now?

Answer key

  1. 5
  2. 25
  3. 702
  4. 4270
  5. 108
  6. 4
  7. 15
  8. 44
  9. 24
  10. 40
  11. 2
  12. 56
  13. 6
  14. 2840
  15. 13
  16. 8
  17. 10472
  18. 12
  19. 25
  20. 10592
  21. 2448
  22. 7776
  23. 1120
  24. 4750
  25. 28
  26. 112
  27. 12
  28. 2940
  29. 90
  30. 52.5
  31. 320
  32. 1
  33. 15
  34. 40
  35. 2472
  36. 477
  37. 720
  38. 16
  39. 40
  40. 4368

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