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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 537 · 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.Round 42608 to the nearest thousand.
  2. 2.Two tanks hold 75 litres and 120 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  3. 3.What is 1/5 of 25 km?
  4. 4.Which of these numbers divides exactly by 11? (a) 2872 (b) 1605 (c) 8226 (d) 6930
  5. 5.58.2 ÷ 6 =
  6. 6.Write 3/20 as a percent.
  7. 7.Find the HCF of 21 and 9.
  8. 8.Three temple bells ring every 10, 4 and 30 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  9. 9.59 − 64 ÷ 8 × 3 =
  10. 10.Divide ₹480 between Vivaan and Nisha in the ratio 7 : 8. How much does Nisha get (in ₹)?
  11. 11.6 × (25 − 16) + 8 ÷ 4 =
  12. 12.The HCF of two numbers is 8 and their LCM is 224. One of the numbers is 56. What is the other number?
  13. 13.Divide ₹112 between Priya and Kabir in the ratio 9 : 7. How much does Kabir get (in ₹)?
  14. 14.A hostel has enough food for 3 students for 23 days. How many days will the same food last for 23 students?
  15. 15.A hall floor is 315 cm long and 90 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  16. 16.A hall floor is 315 cm long and 270 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  17. 17.Round 78763 to the nearest ten.
  18. 18.What is 1/2 of 24 students?
  19. 19.57.4 ÷ 7 =
  20. 20.If 4 kg of rice costs ₹328, how many kg can you buy for ₹410?
  21. 21.5/6 × 5/10 =
  22. 22.Divide ₹360 between Manav and Kabir in the ratio 8 : 7. How much does Manav get (in ₹)?
  23. 23.Find the smallest number bigger than 15 that leaves a remainder of 2 when divided by 4, 15 or 10.
  24. 24.What is the smallest number you must add to 242 so that it divides exactly by 9?
  25. 25.27 ÷ 9 × 9 + 19 =
  26. 26.How many factors does 90 have?
  27. 27.Find the HCF of 28 and 8.
  28. 28.Which of these numbers divides exactly by 8? (a) 2756 (b) 2074 (c) 6739 (d) 5992
  29. 29.How many factors does 97 have?
  30. 30.The ratio of boys to girls in a class is 7 : 6. There are 14 boys. How many girls are there?
  31. 31.Round 80.76 to one decimal place. =
  32. 32.The HCF of two numbers is 6 and their LCM is 108. One of the numbers is 54. What is the other number?
  33. 33.Which of these numbers divides exactly by 3? (a) 8273 (b) 7563 (c) 2633 (d) 4324
  34. 34.Which is closest to 302 × 18? (Round each number first.) (a) 12000 (b) 600 (c) 60000 (d) 6000
  35. 35.52 ÷ 8 =
  36. 36.If 4 notebooks cost ₹96, how much do 2 notebooks cost (in ₹)?
  37. 37.Find the LCM of 5 and 8.
  38. 38.A car goes 45 km on 5 litres of petrol. How far can it go on 33 litres (in km)?
  39. 39.Pooja scored 6 marks out of 40 in a test. What percentage did Pooja score?
  40. 40.Two tanks hold 350 litres and 100 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?

Answer key

  1. 43000
  2. 15
  3. 5
  4. 6930
  5. 9.7
  6. 15
  7. 3
  8. 60
  9. 35
  10. 256
  11. 56
  12. 32
  13. 49
  14. 3
  15. 14
  16. 42
  17. 78760
  18. 12
  19. 8.2
  20. 5
  21. 5/12
  22. 192
  23. 62
  24. 1
  25. 46
  26. 12
  27. 4
  28. 5992
  29. 2
  30. 12
  31. 80.8
  32. 12
  33. 7563
  34. 6000
  35. 6.5
  36. 48
  37. 40
  38. 297
  39. 15
  40. 50

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