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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 292 · 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 1/2 as a percent.
  2. 2.If 7 kg of rice costs ₹553, how many kg can you buy for ₹158?
  3. 3.If 3 kg of rice costs ₹207, how many kg can you buy for ₹828?
  4. 4.Find the smallest number bigger than 8 that leaves a remainder of 1 when divided by 4, 5 or 8.
  5. 5.A car goes 52 km on 4 litres of petrol. How far can it go on 14 litres (in km)?
  6. 6.Two tanks hold 30 litres and 70 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  7. 7.How many factors does 98 have?
  8. 8.Aditya scored 16 marks out of 80 in a test. What percentage did Aditya score?
  9. 9.1/2 + 4/5 =
  10. 10.If 4 mangoes cost ₹112, how much do 16 mangoes cost (in ₹)?
  11. 11.Write 1/10 as a percent.
  12. 12.Which is closest to 305 + 205 + 797? (a) 1300 (b) 1500 (c) 1400 (d) 1200
  13. 13.Which of these numbers divides exactly by 4? (a) 2124 (b) 5506 (c) 4789 (d) 1941
  14. 14.Find the HCF of 70 and 50.
  15. 15.The HCF of two numbers is 2 and their LCM is 60. One of the numbers is 12. What is the other number?
  16. 16.Which is closest to 704 + 196 + 505? (a) 1300 (b) 1400 (c) 1500 (d) 1600
  17. 17.11 : 8 = 33 : ?
  18. 18.2/4 + 5/12 =
  19. 19.What is 30% of 580?
  20. 20.The HCF of two numbers is 2 and their LCM is 56. One of the numbers is 8. What is the other number?
  21. 21.How many factors does 66 have?
  22. 22.How many factors does 24 have?
  23. 23.40 + 9 × 5 − 34 =
  24. 24.2/4 − 2/6 =
  25. 25.Find the HCF of 32 and 28.
  26. 26.Write 3/5 as a percent.
  27. 27.4/6 − 1/7 =
  28. 28.32 − 6 ÷ 3 × 7 =
  29. 29.Which of these numbers divides exactly by 4? (a) 1550 (b) 9170 (c) 4276 (d) 2005
  30. 30.Three temple bells ring every 9, 8 and 6 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  31. 31.Two tanks hold 100 litres and 450 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  32. 32.The ratio of boys to girls in a class is 5 : 1. There are 25 boys. How many girls are there?
  33. 33.Round 15796 to the nearest thousand.
  34. 34.What is the smallest number you must add to 903 so that it divides exactly by 8?
  35. 35.Find the HCF of 91 and 104.
  36. 36.Find the third proportional to 4 and 8 (that is, 4 : 8 = 8 : ?).
  37. 37.Which of these numbers divides exactly by 9? (a) 1580 (b) 2754 (c) 2022 (d) 8453
  38. 38.Three temple bells ring every 8, 9 and 12 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  39. 39.Which of these numbers divides exactly by 9? (a) 3498 (b) 1161 (c) 5243 (d) 3678
  40. 40.12 ÷ 2 × 5 + 19 =

Answer key

  1. 50
  2. 2
  3. 12
  4. 41
  5. 182
  6. 10
  7. 6
  8. 20
  9. 13/10
  10. 448
  11. 10
  12. 1300
  13. 2124
  14. 10
  15. 10
  16. 1400
  17. 24
  18. 11/12
  19. 174
  20. 14
  21. 8
  22. 8
  23. 51
  24. 1/6
  25. 4
  26. 60
  27. 11/21
  28. 18
  29. 4276
  30. 72
  31. 50
  32. 5
  33. 16000
  34. 1
  35. 13
  36. 16
  37. 2754
  38. 72
  39. 1161
  40. 49

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