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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 463 · 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.If 9 pens cost ₹297, how much do 3 pens cost (in ₹)?
  2. 2.What is 15% of 580?
  3. 3.What is 1/2 of ₹26?
  4. 4.A car goes 32 km on 4 litres of petrol. How far can it go on 27 litres (in km)?
  5. 5.Write 14/25 as a percent.
  6. 6.Which is closest to 300 × 21? (Round each number first.) (a) 6000 (b) 12000 (c) 60000 (d) 600
  7. 7.Which is closest to 97 + 897 + 896? (a) 1900 (b) 2000 (c) 1800 (d) 2100
  8. 8.The ratio of boys to girls in a class is 2 : 5. There are 18 boys. How many girls are there?
  9. 9.Which of these numbers divides exactly by 4? (a) 4641 (b) 8191 (c) 1717 (d) 3080
  10. 10.How many factors does 15 have?
  11. 11.12 painters can paint a school in 18 days. How many days would 24 painters take, working at the same speed?
  12. 12.Find the LCM of 7 and 3.
  13. 13.9.9 × 5 =
  14. 14.Two tanks hold 20 litres and 90 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  15. 15.The HCF of two numbers is 9 and their LCM is 180. One of the numbers is 36. What is the other number?
  16. 16.Three temple bells ring every 10, 4 and 30 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  17. 17.Find the HCF of 4 and 18.
  18. 18.3/7 of 70 + 2 × 4 =
  19. 19.Which is closest to 98 + 105 + 296? (a) 600 (b) 500 (c) 400 (d) 700
  20. 20.Which of these numbers divides exactly by 4? (a) 3277 (b) 5458 (c) 7960 (d) 8430
  21. 21.Find the LCM of 6 and 15.
  22. 22.2.8 × 2 =
  23. 23.1/8 of 64 + 8 × 4 =
  24. 24.Which is closest to 297 + 199 + 195? (a) 800 (b) 600 (c) 900 (d) 700
  25. 25.What is 30% of 140?
  26. 26.1/2 of 18 + 9 × 6 =
  27. 27.Which is closest to 401 + 105 + 103? (a) 700 (b) 500 (c) 600 (d) 800
  28. 28.Write 1/10 as a percent.
  29. 29.Find the LCM of 12, 8 and 6.
  30. 30.If 3 kites cost ₹165, how much do 16 kites cost (in ₹)?
  31. 31.Find the LCM of 35 and 10.
  32. 32.The HCF of two numbers is 4 and their LCM is 160. One of the numbers is 32. What is the other number?
  33. 33.43 − 27 ÷ 9 × 3 =
  34. 34.Divide ₹363 between Nisha and Ishaan in the ratio 9 : 2. How much does Nisha get (in ₹)?
  35. 35.Find the LCM of 4, 5 and 7.
  36. 36.How many factors does 20 have?
  37. 37.Which is closest to 1391 ÷ 19? (a) 140 (b) 70 (c) 700 (d) 35
  38. 38.Three temple bells ring every 24, 30 and 20 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  39. 39.Divide ₹559 between Ishaan and Karan in the ratio 7 : 6. How much does Ishaan get (in ₹)?
  40. 40.Find the LCM of 14, 10 and 3.

Answer key

  1. 99
  2. 87
  3. 13
  4. 216
  5. 56
  6. 6000
  7. 1900
  8. 45
  9. 3080
  10. 4
  11. 9
  12. 21
  13. 49.5
  14. 10
  15. 45
  16. 60
  17. 2
  18. 38
  19. 500
  20. 7960
  21. 30
  22. 5.6
  23. 40
  24. 700
  25. 42
  26. 63
  27. 600
  28. 10
  29. 24
  30. 880
  31. 70
  32. 20
  33. 34
  34. 297
  35. 140
  36. 6
  37. 70
  38. 120
  39. 301
  40. 210

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