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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 136 · 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.Which of these numbers divides exactly by 3? (a) 3786 (b) 1150 (c) 9184 (d) 3187
  2. 2.What is the smallest number you must add to 491 so that it divides exactly by 4?
  3. 3.5 × (17 − 2) + 88 ÷ 8 =
  4. 4.Which is closest to 604 × 20? (Round each number first.) (a) 24000 (b) 12000 (c) 120000 (d) 1200
  5. 5.How many factors does 67 have?
  6. 6.2.17 + 7.7 =
  7. 7.What is 25% of 300?
  8. 8.What is 20% of 480?
  9. 9.15 ÷ 5 × 9 + 8 =
  10. 10.2.07 + 1.1 =
  11. 11.7/9 of 27 + 4 × 7 =
  12. 12.Three temple bells ring every 8, 30 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  13. 13.Sneha scored 72 marks out of 80 in a test. What percentage did Sneha score?
  14. 14.6 : 9 = 36 : ?
  15. 15.Three temple bells ring every 20, 6 and 30 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  16. 16.8 × (23 − 19) + 40 ÷ 5 =
  17. 17.Find the HCF of 56 and 32.
  18. 18.84 ÷ 7 × 6 + 23 =
  19. 19.Find the LCM of 3, 12 and 6.
  20. 20.Find the third proportional to 9 and 18 (that is, 9 : 18 = 18 : ?).
  21. 21.5 : 6 = 20 : ?
  22. 22.Divide ₹162 between Aditya and Meera in the ratio 7 : 2. How much does Aditya get (in ₹)?
  23. 23.Find the HCF of 21 and 15.
  24. 24.75% of a number is 342. What is the number?
  25. 25.What is the smallest number you must add to 290 so that it divides exactly by 4?
  26. 26.A hostel has enough food for 3 students for 22 days. How many days will the same food last for 22 students?
  27. 27.The ratio of boys to girls in a class is 7 : 2. There are 70 boys. How many girls are there?
  28. 28.What is 1/10 of 180 km?
  29. 29.What is 80% of 140?
  30. 30.24 ÷ 2 × 7 + 22 =
  31. 31.Round 49302 to the nearest hundred.
  32. 32.12.4 ÷ 2 =
  33. 33.Which is closest to 3993 ÷ 51? (a) 160 (b) 40 (c) 80 (d) 800
  34. 34.If 4 pens cost ₹28, how much do 8 pens cost (in ₹)?
  35. 35.Find the HCF of 70 and 112.
  36. 36.Meera scored 16 marks out of 20 in a test. What percentage did Meera score?
  37. 37.What is the smallest number you must take away from 191 so that it divides exactly by 6?
  38. 38.What is 10% of 220?
  39. 39.How many factors does 60 have?
  40. 40.Tara scored 68 marks out of 80 in a test. What percentage did Tara score?

Answer key

  1. 3786
  2. 1
  3. 86
  4. 12000
  5. 2
  6. 9.87
  7. 75
  8. 96
  9. 35
  10. 3.17
  11. 49
  12. 120
  13. 90
  14. 54
  15. 60
  16. 40
  17. 8
  18. 95
  19. 12
  20. 36
  21. 24
  22. 126
  23. 3
  24. 456
  25. 2
  26. 3
  27. 20
  28. 18
  29. 112
  30. 106
  31. 49300
  32. 6.2
  33. 80
  34. 56
  35. 14
  36. 80
  37. 5
  38. 22
  39. 12
  40. 85

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