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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 737 · 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. 1.16 + 2 × 6 − 3 =
  2. 2.Write 1/4 as a percent.
  3. 3.What is 150% of 546?
  4. 4.Find the LCM of 2, 11 and 5.
  5. 5.A hostel has enough food for 2 students for 14 days. How many days will the same food last for 14 students?
  6. 6.11 : 13 = 88 : ?
  7. 7.6/10 − 3/11 =
  8. 8.Find the smallest number bigger than 10 that leaves a remainder of 4 when divided by 5, 10 or 9.
  9. 9.Three temple bells ring every 5, 8 and 30 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  10. 10.9.5 ÷ 5 =
  11. 11.Isha takes 36 seconds and Pooja takes 80 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?
  12. 12.Divide ₹468 between Ananya and Aarav in the ratio 8 : 1. How much does Ananya get (in ₹)?
  13. 13.The ratio of boys to girls in a class is 8 : 1. There are 56 boys. How many girls are there?
  14. 14.Find the HCF of 63 and 54.
  15. 15.Which of these numbers divides exactly by 3? (a) 3844 (b) 7711 (c) 4782 (d) 2168
  16. 16.3/4 of 8 + 2 × 6 =
  17. 17.If 4 kg of rice costs ₹148, how many kg can you buy for ₹185?
  18. 18.5% of a number is 8. What is the number?
  19. 19.What is the smallest number you must take away from 988 so that it divides exactly by 12?
  20. 20.The HCF of two numbers is 8 and their LCM is 80. One of the numbers is 40. What is the other number?
  21. 21.Find the LCM of 15 and 20.
  22. 22.47 − 48 ÷ 6 × 2 =
  23. 23.The HCF of two numbers is 5 and their LCM is 90. One of the numbers is 45. What is the other number?
  24. 24.6.8 ÷ 4 =
  25. 25.80% of a number is 92. What is the number?
  26. 26.32 + 3 × 8 − 29 =
  27. 27.2.77 + 3.5 =
  28. 28.If 7 kg of rice costs ₹420, how many kg can you buy for ₹300?
  29. 29.39 + 3 × 12 − 5 =
  30. 30.If 4 kg of rice costs ₹120, how many kg can you buy for ₹450?
  31. 31.The HCF of two numbers is 6 and their LCM is 336. One of the numbers is 42. What is the other number?
  32. 32.3 : 15 = 9 : ?
  33. 33.What is 80% of 490?
  34. 34.16.2 ÷ 2 =
  35. 35.10% of a number is 23. What is the number?
  36. 36.62.1 ÷ 9 =
  37. 37.Which of these numbers divides exactly by 4? (a) 4307 (b) 2460 (c) 2313 (d) 8606
  38. 38.The ratio of boys to girls in a class is 1 : 5. There are 3 boys. How many girls are there?
  39. 39.59 − 24 ÷ 6 × 9 =
  40. 40.Divide ₹180 between Saanvi and Pooja in the ratio 3 : 7. How much does Saanvi get (in ₹)?

Answer key

  1. 25
  2. 25
  3. 819
  4. 110
  5. 2
  6. 104
  7. 18/55
  8. 94
  9. 120
  10. 1.9
  11. 720
  12. 416
  13. 7
  14. 9
  15. 4782
  16. 18
  17. 5
  18. 160
  19. 4
  20. 16
  21. 60
  22. 31
  23. 10
  24. 1.7
  25. 115
  26. 27
  27. 6.27
  28. 5
  29. 70
  30. 15
  31. 48
  32. 45
  33. 392
  34. 8.1
  35. 230
  36. 6.9
  37. 2460
  38. 15
  39. 23
  40. 54

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