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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 307 · 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.If 3 kg of rice costs ₹90, how many kg can you buy for ₹150?
  2. 2.What is 80% of 350?
  3. 3.Three temple bells ring every 5, 4 and 15 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  4. 4.29 − 9 ÷ 3 × 2 =
  5. 5.How many factors does 40 have?
  6. 6.4 : 7 = 24 : ?
  7. 7.38 + 2 × 6 − 13 =
  8. 8.What is 2/5 of 45 kg?
  9. 9.9 : 10 = 45 : ?
  10. 10.4.03 + 3.7 =
  11. 11.Three temple bells ring every 5, 18 and 9 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  12. 12.6/12 − 1/9 =
  13. 13.4 × (16 − 4) + 10 ÷ 2 =
  14. 14.5/11 + 11/12 =
  15. 15.5 : 6 = 10 : ?
  16. 16.A hall floor is 200 cm long and 80 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  17. 17.If 7 kg of rice costs ₹413, how many kg can you buy for ₹118?
  18. 18.What is 15% of 120?
  19. 19.Find the LCM of 5, 6 and 15.
  20. 20.Which of these numbers divides exactly by 11? (a) 8577 (b) 4687 (c) 5947 (d) 8976
  21. 21.Round 59986 to the nearest hundred.
  22. 22.Which is closest to 804 × 58? (Round each number first.) (a) 4800 (b) 96000 (c) 480000 (d) 48000
  23. 23.Divide ₹35 between Meera and Arjun in the ratio 3 : 4. How much does Meera get (in ₹)?
  24. 24.What is 3/5 of 135 km?
  25. 25.What is the smallest number you must add to 373 so that it divides exactly by 8?
  26. 26.Which is closest to 3195 ÷ 41? (a) 800 (b) 160 (c) 80 (d) 40
  27. 27.12% of a number is 21. What is the number?
  28. 28.20% of a number is 11. What is the number?
  29. 29.Find the HCF of 15 and 24.
  30. 30.How many factors does 62 have?
  31. 31.45 + 2 × 7 − 1 =
  32. 32.Which of these numbers divides exactly by 3? (a) 7254 (b) 4033 (c) 3860 (d) 4894
  33. 33.Round 68997 to the nearest hundred.
  34. 34.Two tanks hold 250 litres and 100 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  35. 35.Which of these numbers divides exactly by 6? (a) 6503 (b) 9719 (c) 1770 (d) 4985
  36. 36.Which of these numbers divides exactly by 8? (a) 3624 (b) 5083 (c) 1041 (d) 1427
  37. 37.Find the smallest number bigger than 12 that leaves a remainder of 4 when divided by 12, 6 or 9.
  38. 38.Which is closest to 799 × 49? (Round each number first.) (a) 400000 (b) 40000 (c) 80000 (d) 4000
  39. 39.Find the LCM of 20 and 12.
  40. 40.15 + 11 × 6 − 11 =

Answer key

  1. 5
  2. 280
  3. 60
  4. 23
  5. 8
  6. 42
  7. 37
  8. 18
  9. 50
  10. 7.73
  11. 90
  12. 7/18
  13. 53
  14. 181/132
  15. 12
  16. 10
  17. 2
  18. 18
  19. 30
  20. 8976
  21. 60000
  22. 48000
  23. 15
  24. 81
  25. 3
  26. 80
  27. 175
  28. 55
  29. 3
  30. 4
  31. 58
  32. 7254
  33. 69000
  34. 50
  35. 1770
  36. 3624
  37. 40
  38. 40000
  39. 60
  40. 70

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