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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 402 · 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 is closest to 204 + 103 + 502? (a) 1000 (b) 700 (c) 900 (d) 800
  2. 2.Which is closest to 897 × 40? (Round each number first.) (a) 36000 (b) 72000 (c) 3600 (d) 360000
  3. 3.What percent of 500 is 50?
  4. 4.What percent of 40 is 8?
  5. 5.Which is closest to 499 × 39? (Round each number first.) (a) 20000 (b) 2000 (c) 40000 (d) 200000
  6. 6.60% of a number is 36. What is the number?
  7. 7.Write 17/20 as a percent.
  8. 8.18 + 12 × 2 − 15 =
  9. 9.Which of these numbers divides exactly by 3? (a) 8033 (b) 5526 (c) 6592 (d) 6230
  10. 10.Find the HCF of 63 and 45.
  11. 11.Which is closest to 304 × 38? (Round each number first.) (a) 24000 (b) 12000 (c) 1200 (d) 120000
  12. 12.Which of these numbers divides exactly by 4? (a) 3482 (b) 9708 (c) 4594 (d) 2047
  13. 13.What percent of 25 is 3?
  14. 14.1.4 × 6 =
  15. 15.If 8 kg of rice costs ₹608, how many kg can you buy for ₹1064?
  16. 16.Ananya scored 6 marks out of 40 in a test. What percentage did Ananya score?
  17. 17.1/8 of 64 + 4 × 8 =
  18. 18.Find the third proportional to 9 and 45 (that is, 9 : 45 = 45 : ?).
  19. 19.A car goes 228 km on 12 litres of petrol. How far can it go on 36 litres (in km)?
  20. 20.18 + 11 × 4 − 6 =
  21. 21.What is 30% of 90?
  22. 22.2/5 × 2/7 =
  23. 23.Round 36.74 to one decimal place. =
  24. 24.A hall floor is 200 cm long and 160 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  25. 25.What is 40% of 160?
  26. 26.What is the smallest number you must add to 611 so that it divides exactly by 7?
  27. 27.1/8 of 48 + 4 × 9 =
  28. 28.What is the smallest number you must add to 707 so that it divides exactly by 3?
  29. 29.4/11 × 1/5 =
  30. 30.Round 42087 to the nearest ten.
  31. 31.Find the LCM of 36 and 16.
  32. 32.Find the LCM of 6 and 21.
  33. 33.A hostel has enough food for 12 students for 8 days. How many days will the same food last for 2 students?
  34. 34.Write 3/10 as a percent.
  35. 35.1/8 × 4/7 =
  36. 36.Find the LCM of 12, 9 and 6.
  37. 37.Which is closest to 504 × 30? (Round each number first.) (a) 1500 (b) 30000 (c) 150000 (d) 15000
  38. 38.If 3 kites cost ₹150, how much do 9 kites cost (in ₹)?
  39. 39.Divide ₹583 between Ananya and Kavya in the ratio 8 : 3. How much does Kavya get (in ₹)?
  40. 40.Find the LCM of 5 and 2.

Answer key

  1. 800
  2. 36000
  3. 10
  4. 20
  5. 20000
  6. 60
  7. 85
  8. 27
  9. 5526
  10. 9
  11. 12000
  12. 9708
  13. 12
  14. 8.4
  15. 14
  16. 15
  17. 40
  18. 225
  19. 684
  20. 56
  21. 27
  22. 4/35
  23. 36.7
  24. 20
  25. 64
  26. 5
  27. 42
  28. 1
  29. 4/55
  30. 42090
  31. 144
  32. 42
  33. 48
  34. 30
  35. 1/14
  36. 36
  37. 15000
  38. 450
  39. 159
  40. 10

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