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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 996 · 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. 1.2/5 + 1/2 =
  2. 2.Which is closest to 1000 ÷ 51? (a) 200 (b) 40 (c) 10 (d) 20
  3. 3.56 − 12 ÷ 4 × 8 =
  4. 4.Three temple bells ring every 15, 24 and 30 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  5. 5.Which is closest to 301 × 18? (Round each number first.) (a) 600 (b) 60000 (c) 6000 (d) 12000
  6. 6.40 − 24 ÷ 8 × 9 =
  7. 7.Three temple bells ring every 8, 5 and 6 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  8. 8.What percent of 25 is 8?
  9. 9.If 6 kg of rice costs ₹528, how many kg can you buy for ₹264?
  10. 10.What percent of 40 is 4?
  11. 11.How many factors does 46 have?
  12. 12.Divide ₹248 between Isha and Nisha in the ratio 7 : 1. How much does Isha get (in ₹)?
  13. 13.If 4 kg of rice costs ₹220, how many kg can you buy for ₹825?
  14. 14.12 ÷ 3 × 8 + 10 =
  15. 15.3.16 + 8.7 =
  16. 16.36 ÷ 6 × 8 + 21 =
  17. 17.30.6 ÷ 6 =
  18. 18.If 9 kg of rice costs ₹234, how many kg can you buy for ₹260?
  19. 19.A hostel has enough food for 5 students for 8 days. How many days will the same food last for 4 students?
  20. 20.Round 28.58 to one decimal place. =
  21. 21.8/11 − 1/2 =
  22. 22.What is 60% of 560?
  23. 23.A hall floor is 250 cm long and 200 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  24. 24.(18 + 7) × 3 − 4 =
  25. 25.Aditya takes 54 seconds and Farhan takes 45 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?
  26. 26.Find the LCM of 45 and 20.
  27. 27.11.9 ÷ 7 =
  28. 28.What is 50% of 562?
  29. 29.Round 97.14 to one decimal place. =
  30. 30.8 × (16 − 11) + 18 ÷ 2 =
  31. 31.What is 20% of 305?
  32. 32.2/9 of 27 + 3 × 9 =
  33. 33.3/7 + 3/12 =
  34. 34.Round 53093 to the nearest ten.
  35. 35.28.2 ÷ 6 =
  36. 36.Find the third proportional to 2 and 10 (that is, 2 : 10 = 10 : ?).
  37. 37.Which is closest to 402 × 80? (Round each number first.) (a) 32000 (b) 64000 (c) 3200 (d) 320000
  38. 38.What percent of 250 is 80?
  39. 39.Find the third proportional to 3 and 6 (that is, 3 : 6 = 6 : ?).
  40. 40.What is the smallest number you must add to 253 so that it divides exactly by 8?

Answer key

  1. 9/10
  2. 20
  3. 32
  4. 120
  5. 6000
  6. 13
  7. 120
  8. 32
  9. 3
  10. 10
  11. 4
  12. 217
  13. 15
  14. 42
  15. 11.86
  16. 69
  17. 5.1
  18. 10
  19. 10
  20. 28.6
  21. 5/22
  22. 336
  23. 20
  24. 71
  25. 270
  26. 180
  27. 1.7
  28. 281
  29. 97.1
  30. 49
  31. 61
  32. 33
  33. 19/28
  34. 53090
  35. 4.7
  36. 50
  37. 32000
  38. 32
  39. 12
  40. 3

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