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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 12 · 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.Find the smallest number bigger than 12 that leaves a remainder of 2 when divided by 12, 3 or 9.
  2. 2.9.12 + 2.6 =
  3. 3.If 8 kg of rice costs ₹240, how many kg can you buy for ₹60?
  4. 4.150% of a number is 897. What is the number?
  5. 5.Two tanks hold 200 litres and 150 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  6. 6.Round 86391 to the nearest hundred.
  7. 7.(7 + 6) × 7 − 6 =
  8. 8.What is the smallest number you must add to 439 so that it divides exactly by 3?
  9. 9.A car goes 117 km on 9 litres of petrol. How far can it go on 28 litres (in km)?
  10. 10.14 + 2 × 8 − 11 =
  11. 11.Which of these numbers divides exactly by 8? (a) 4137 (b) 8413 (c) 8056 (d) 9389
  12. 12.Write 33/50 as a percent.
  13. 13.Which is closest to 97 + 704 + 905? (a) 1800 (b) 1900 (c) 1600 (d) 1700
  14. 14.9/11 × 2/4 =
  15. 15.A hall floor is 120 cm long and 100 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  16. 16.A car goes 16 km on 2 litres of petrol. How far can it go on 29 litres (in km)?
  17. 17.What is the smallest number you must add to 595 so that it divides exactly by 3?
  18. 18.Which is closest to 592 ÷ 31? (a) 200 (b) 20 (c) 40 (d) 10
  19. 19.A car goes 150 km on 10 litres of petrol. How far can it go on 9 litres (in km)?
  20. 20.The HCF of two numbers is 2 and their LCM is 28. One of the numbers is 14. What is the other number?
  21. 21.8.1 × 6 =
  22. 22.Three temple bells ring every 9, 6 and 30 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  23. 23.Two tanks hold 360 litres and 320 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  24. 24.Find the LCM of 12 and 30.
  25. 25.What percent of 400 is 88?
  26. 26.Find the HCF of 45 and 18.
  27. 27.1/2 × 4/10 =
  28. 28.How many factors does 29 have?
  29. 29.9/12 × 2/5 =
  30. 30.Find the third proportional to 3 and 15 (that is, 3 : 15 = 15 : ?).
  31. 31.30% of a number is 30. What is the number?
  32. 32.3 × (15 − 6) + 15 ÷ 5 =
  33. 33.What is the smallest number you must take away from 679 so that it divides exactly by 4?
  34. 34.The HCF of two numbers is 8 and their LCM is 160. One of the numbers is 32. What is the other number?
  35. 35.Find the third proportional to 2 and 6 (that is, 2 : 6 = 6 : ?).
  36. 36.Find the smallest number bigger than 10 that leaves a remainder of 2 when divided by 10, 9 or 3.
  37. 37.Which of these numbers divides exactly by 9? (a) 9326 (b) 5933 (c) 1161 (d) 4358
  38. 38.Which of these numbers divides exactly by 6? (a) 2753 (b) 4092 (c) 3886 (d) 7577
  39. 39.2 × (14 − 13) + 70 ÷ 7 =
  40. 40.A car goes 138 km on 6 litres of petrol. How far can it go on 31 litres (in km)?

Answer key

  1. 38
  2. 11.72
  3. 2
  4. 598
  5. 50
  6. 86400
  7. 85
  8. 2
  9. 364
  10. 19
  11. 8056
  12. 66
  13. 1700
  14. 9/22
  15. 30
  16. 232
  17. 2
  18. 20
  19. 135
  20. 4
  21. 48.6
  22. 90
  23. 40
  24. 60
  25. 22
  26. 9
  27. 1/5
  28. 2
  29. 3/10
  30. 75
  31. 100
  32. 30
  33. 3
  34. 40
  35. 18
  36. 92
  37. 1161
  38. 4092
  39. 12
  40. 713

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