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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 517 · 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.Write 3/5 as a percent.
  2. 2.Which is closest to 1794 ÷ 21? (a) 90 (b) 45 (c) 900 (d) 180
  3. 3.1.04 + 7.3 =
  4. 4.9.83 + 7.5 =
  5. 5.Three temple bells ring every 10, 6 and 18 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  6. 6.Find the third proportional to 6 and 18 (that is, 6 : 18 = 18 : ?).
  7. 7.Divide ₹240 between Isha and Meera in the ratio 5 : 3. How much does Meera get (in ₹)?
  8. 8.Write 1/2 as a percent.
  9. 9.Write 27/50 as a percent.
  10. 10.9.54 + 1.3 =
  11. 11.Which is closest to 698 + 298 + 196? (a) 1300 (b) 1400 (c) 1100 (d) 1200
  12. 12.10 painters can paint a school in 21 days. How many days would 21 painters take, working at the same speed?
  13. 13.Find the HCF of 24 and 9.
  14. 14.9 × (30 − 28) + 8 ÷ 2 =
  15. 15.4.5 × 2 =
  16. 16.Which is closest to 95 + 505 + 699? (a) 1500 (b) 1200 (c) 1400 (d) 1300
  17. 17.2/3 × 4/11 =
  18. 18.Write 3/25 as a percent.
  19. 19.Round 20675 to the nearest thousand.
  20. 20.20 ÷ 2 × 8 + 13 =
  21. 21.What is 10% of 170?
  22. 22.What is the smallest number you must take away from 790 so that it divides exactly by 11?
  23. 23.7 × (24 − 17) + 12 ÷ 4 =
  24. 24.Which is closest to 898 × 60? (Round each number first.) (a) 540000 (b) 5400 (c) 108000 (d) 54000
  25. 25.2/6 × 1/4 =
  26. 26.4 : 9 = 24 : ?
  27. 27.14 + 7 × 3 − 11 =
  28. 28.Rohan takes 48 seconds and Aditya takes 40 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?
  29. 29.How many factors does 66 have?
  30. 30.A hostel has enough food for 12 students for 24 days. How many days will the same food last for 18 students?
  31. 31.Sneha scored 10 marks out of 25 in a test. What percentage did Sneha score?
  32. 32.12 ÷ 2 × 9 + 14 =
  33. 33.Which is closest to 602 + 801 + 105? (a) 1600 (b) 1400 (c) 1500 (d) 1700
  34. 34.What is 5/6 of 174 students?
  35. 35.What is 3/4 of 40 kg?
  36. 36.Find the LCM of 7 and 2.
  37. 37.11 : 15 = 99 : ?
  38. 38.Divide ₹676 between Diya and Arjun in the ratio 7 : 6. How much does Diya get (in ₹)?
  39. 39.Write 24/25 as a percent.
  40. 40.Find the LCM of 18 and 15.

Answer key

  1. 60
  2. 90
  3. 8.34
  4. 17.33
  5. 90
  6. 54
  7. 90
  8. 50
  9. 54
  10. 10.84
  11. 1200
  12. 10
  13. 3
  14. 22
  15. 9
  16. 1300
  17. 8/33
  18. 12
  19. 21000
  20. 93
  21. 17
  22. 9
  23. 52
  24. 54000
  25. 1/12
  26. 54
  27. 24
  28. 240
  29. 8
  30. 16
  31. 40
  32. 68
  33. 1500
  34. 145
  35. 30
  36. 14
  37. 135
  38. 364
  39. 96
  40. 90

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