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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 852 · 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 of these numbers divides exactly by 11? (a) 5629 (b) 5236 (c) 1660 (d) 4891
  2. 2.Find the smallest number bigger than 12 that leaves a remainder of 2 when divided by 4, 6 or 12.
  3. 3.What is the smallest number you must add to 958 so that it divides exactly by 11?
  4. 4.What is 1/8 of 24 students?
  5. 5.Two tanks hold 25 litres and 10 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  6. 6.What is 12% of 375?
  7. 7.3 : 15 = 12 : ?
  8. 8.If 2 erasers cost ₹106, how much do 12 erasers cost (in ₹)?
  9. 9.Find the HCF of 65 and 39.
  10. 10.5.5 × 8 =
  11. 11.3 × (11 − 8) + 48 ÷ 8 =
  12. 12.50 + 2 × 4 − 17 =
  13. 13.20% of a number is 66. What is the number?
  14. 14.Find the HCF of 81 and 45.
  15. 15.Find the smallest number bigger than 15 that leaves a remainder of 4 when divided by 5, 9 or 15.
  16. 16.7.2 × 3 =
  17. 17.What is 15% of 280?
  18. 18.Three temple bells ring every 15, 6 and 5 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  19. 19.Divide ₹517 between Isha and Kavya in the ratio 9 : 2. How much does Isha get (in ₹)?
  20. 20.Which is closest to 1603 ÷ 21? (a) 800 (b) 80 (c) 160 (d) 40
  21. 21.6.33 + 1.5 =
  22. 22.2/9 + 1/2 =
  23. 23.What percent of 50 is 20?
  24. 24.Which is closest to 901 × 78? (Round each number first.) (a) 144000 (b) 7200 (c) 720000 (d) 72000
  25. 25.A hostel has enough food for 9 students for 14 days. How many days will the same food last for 14 students?
  26. 26.A hall floor is 240 cm long and 90 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  27. 27.Find the third proportional to 2 and 8 (that is, 2 : 8 = 8 : ?).
  28. 28.What is 20% of 15?
  29. 29.50% of a number is 61. What is the number?
  30. 30.1.25 + 9.7 =
  31. 31.3/6 + 2/10 =
  32. 32.Which is closest to 4492 ÷ 51? (a) 180 (b) 90 (c) 45 (d) 900
  33. 33.Find the HCF of 21 and 27.
  34. 34.If 2 kg of rice costs ₹84, how many kg can you buy for ₹504?
  35. 35.Find the HCF of 96 and 36.
  36. 36.Round 13597 to the nearest thousand.
  37. 37.How many factors does 100 have?
  38. 38.(11 + 8) × 3 − 5 =
  39. 39.Find the LCM of 3, 2 and 6.
  40. 40.A car goes 90 km on 5 litres of petrol. How far can it go on 9 litres (in km)?

Answer key

  1. 5236
  2. 14
  3. 10
  4. 3
  5. 5
  6. 45
  7. 60
  8. 636
  9. 13
  10. 44
  11. 15
  12. 41
  13. 330
  14. 9
  15. 49
  16. 21.6
  17. 42
  18. 30
  19. 423
  20. 80
  21. 7.83
  22. 13/18
  23. 40
  24. 72000
  25. 9
  26. 24
  27. 32
  28. 3
  29. 122
  30. 10.95
  31. 7/10
  32. 90
  33. 3
  34. 12
  35. 12
  36. 14000
  37. 9
  38. 52
  39. 6
  40. 162

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