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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 734 · 40 questions
TalentJR

The method (Spot the type): Read the question and name the topic: HCF/LCM, fraction, ratio, percent … Use that lesson’s method and write each step. Check: is the answer sensible in size and units?

NameDateTime takenScore ___ / 40
  1. 1.What is 9/10 of 190 litres?
  2. 2.Three temple bells ring every 15, 24 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  3. 3.If 10 mangoes cost ₹520, how much do 18 mangoes cost (in ₹)?
  4. 4.Find the LCM of 9, 10 and 12.
  5. 5.Priya scored 19 marks out of 20 in a test. What percentage did Priya score?
  6. 6.A car goes 110 km on 11 litres of petrol. How far can it go on 33 litres (in km)?
  7. 7.If 3 erasers cost ₹168, how much do 8 erasers cost (in ₹)?
  8. 8.Round 28.72 to one decimal place. =
  9. 9.If 8 kg of rice costs ₹336, how many kg can you buy for ₹420?
  10. 10.Find the HCF of 6 and 9.
  11. 11.How many factors does 14 have?
  12. 12.120% of a number is 126. What is the number?
  13. 13.The ratio of boys to girls in a class is 4 : 3. There are 24 boys. How many girls are there?
  14. 14.34.8 ÷ 4 =
  15. 15.(13 + 17) × 3 − 16 =
  16. 16.A car goes 190 km on 10 litres of petrol. How far can it go on 24 litres (in km)?
  17. 17.Priya scored 28 marks out of 80 in a test. What percentage did Priya score?
  18. 18.5/6 + 2/11 =
  19. 19.How many factors does 22 have?
  20. 20.Write 1/25 as a percent.
  21. 21.Write 22/25 as a percent.
  22. 22.Which of these numbers divides exactly by 8? (a) 1683 (b) 5133 (c) 6456 (d) 7769
  23. 23.Saanvi scored 38 marks out of 40 in a test. What percentage did Saanvi score?
  24. 24.A car goes 81 km on 9 litres of petrol. How far can it go on 20 litres (in km)?
  25. 25.Which of these numbers divides exactly by 4? (a) 3923 (b) 3735 (c) 2030 (d) 5924
  26. 26.If 3 kg of rice costs ₹126, how many kg can you buy for ₹462?
  27. 27.What percent of 20 is 1?
  28. 28.25% of a number is 89. What is the number?
  29. 29.If 4 kg of rice costs ₹212, how many kg can you buy for ₹583?
  30. 30.A hall floor is 300 cm long and 120 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  31. 31.If 4 kg of rice costs ₹180, how many kg can you buy for ₹225?
  32. 32.What percent of 40 is 38?
  33. 33.18 + 8 × 10 − 1 =
  34. 34.6/7 + 3/10 =
  35. 35.What percent of 80 is 40?
  36. 36.Priya takes 54 seconds and Ananya takes 60 seconds to run once round a track. They start together from the start line. After how many seconds will they first be at the start line together again?
  37. 37.5/9 of 99 + 2 × 6 =
  38. 38.Divide ₹273 between Aarav and Pooja in the ratio 4 : 3. How much does Aarav get (in ₹)?
  39. 39.If 6 kg of rice costs ₹174, how many kg can you buy for ₹145?
  40. 40.23 − 32 ÷ 4 × 2 =

Answer key

  1. 171
  2. 120
  3. 936
  4. 180
  5. 95
  6. 330
  7. 448
  8. 28.7
  9. 10
  10. 3
  11. 4
  12. 105
  13. 18
  14. 8.7
  15. 74
  16. 456
  17. 35
  18. 67/66
  19. 4
  20. 4
  21. 88
  22. 6456
  23. 95
  24. 180
  25. 5924
  26. 11
  27. 5
  28. 356
  29. 11
  30. 10
  31. 5
  32. 95
  33. 97
  34. 81/70
  35. 50
  36. 540
  37. 67
  38. 156
  39. 5
  40. 7

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