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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 58 · 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.What is the smallest number you must add to 900 so that it divides exactly by 8?
  2. 2.5.68 + 3.2 =
  3. 3.Two tanks hold 225 litres and 135 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  4. 4.Which is closest to 1598 ÷ 21? (a) 40 (b) 160 (c) 800 (d) 80
  5. 5.30 + 4 × 10 − 3 =
  6. 6.Find the HCF of 21 and 28.
  7. 7.The HCF of two numbers is 8 and their LCM is 224. One of the numbers is 56. What is the other number?
  8. 8.What is 75% of 588?
  9. 9.Which is closest to 803 + 798 + 696? (a) 2300 (b) 2200 (c) 2500 (d) 2400
  10. 10.What is the smallest number you must add to 687 so that it divides exactly by 9?
  11. 11.2/7 of 77 + 3 × 5 =
  12. 12.How many factors does 86 have?
  13. 13.Find the LCM of 3, 8 and 2.
  14. 14.4/9 of 81 + 3 × 7 =
  15. 15.(18 + 4) × 7 − 1 =
  16. 16.How many factors does 98 have?
  17. 17.What is 80% of 150?
  18. 18.Which is closest to 603 + 99 + 500? (a) 1200 (b) 1300 (c) 1400 (d) 1100
  19. 19.Which of these numbers divides exactly by 6? (a) 1754 (b) 9695 (c) 1052 (d) 4830
  20. 20.What percent of 500 is 130?
  21. 21.Find the LCM of 9, 3 and 13.
  22. 22.5.9 × 7 =
  23. 23.If 4 kg of rice costs ₹268, how many kg can you buy for ₹670?
  24. 24.Which is closest to 1196 ÷ 41? (a) 300 (b) 60 (c) 30 (d) 15
  25. 25.8 ÷ 2 × 6 + 26 =
  26. 26.1/5 × 3/8 =
  27. 27.Which of these numbers divides exactly by 9? (a) 3101 (b) 2336 (c) 2286 (d) 2456
  28. 28.If 7 pens cost ₹378, how much do 4 pens cost (in ₹)?
  29. 29.If 7 kg of rice costs ₹203, how many kg can you buy for ₹319?
  30. 30.The HCF of two numbers is 7 and their LCM is 245. One of the numbers is 35. What is the other number?
  31. 31.5 : 7 = 30 : ?
  32. 32.How many factors does 28 have?
  33. 33.Round 33783 to the nearest thousand.
  34. 34.A car goes 240 km on 12 litres of petrol. How far can it go on 31 litres (in km)?
  35. 35.What is the smallest number you must add to 308 so that it divides exactly by 8?
  36. 36.Which is closest to 2005 ÷ 49? (a) 20 (b) 80 (c) 400 (d) 40
  37. 37.8/11 + 4/6 =
  38. 38.A car goes 176 km on 11 litres of petrol. How far can it go on 2 litres (in km)?
  39. 39.Which is closest to 95 + 297 + 895? (a) 1200 (b) 1500 (c) 1300 (d) 1400
  40. 40.What is the smallest number you must add to 152 so that it divides exactly by 13?

Answer key

  1. 4
  2. 8.88
  3. 45
  4. 80
  5. 67
  6. 7
  7. 32
  8. 441
  9. 2300
  10. 6
  11. 37
  12. 4
  13. 24
  14. 57
  15. 153
  16. 6
  17. 120
  18. 1200
  19. 4830
  20. 26
  21. 117
  22. 41.3
  23. 10
  24. 30
  25. 50
  26. 3/40
  27. 2286
  28. 216
  29. 11
  30. 49
  31. 42
  32. 6
  33. 34000
  34. 620
  35. 4
  36. 40
  37. 46/33
  38. 32
  39. 1300
  40. 4

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