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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 876 · 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 is closest to 299 + 700 + 801? (a) 2000 (b) 1800 (c) 1700 (d) 1900
  2. 2.9 ÷ 3 × 8 + 9 =
  3. 3.Two tanks hold 360 litres and 280 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  4. 4.Find the LCM of 10 and 16.
  5. 5.Find the smallest number bigger than 9 that leaves a remainder of 1 when divided by 4, 9 or 3.
  6. 6.What is 1/2 of ₹46?
  7. 7.2/3 − 1/2 =
  8. 8.2 : 11 = 14 : ?
  9. 9.4 : 11 = 36 : ?
  10. 10.7 : 3 = 63 : ?
  11. 11.A car goes 72 km on 8 litres of petrol. How far can it go on 3 litres (in km)?
  12. 12.The ratio of boys to girls in a class is 8 : 3. There are 48 boys. How many girls are there?
  13. 13.A hostel has enough food for 3 students for 20 days. How many days will the same food last for 12 students?
  14. 14.Find the LCM of 4, 15 and 9.
  15. 15.What is 30% of 330?
  16. 16.Divide ₹171 between Karan and Dev in the ratio 2 : 1. How much does Karan get (in ₹)?
  17. 17.5.7 × 6 =
  18. 18.1/4 of 20 + 2 × 5 =
  19. 19.If 2 kg of rice costs ₹132, how many kg can you buy for ₹264?
  20. 20.Find the LCM of 10, 4 and 3.
  21. 21.Find the third proportional to 4 and 8 (that is, 4 : 8 = 8 : ?).
  22. 22.How many factors does 27 have?
  23. 23.Which is closest to 196 × 70? (Round each number first.) (a) 140000 (b) 28000 (c) 14000 (d) 1400
  24. 24.Which is closest to 204 × 61? (Round each number first.) (a) 1200 (b) 12000 (c) 120000 (d) 24000
  25. 25.8 : 3 = 56 : ?
  26. 26.If 2 kg of rice costs ₹116, how many kg can you buy for ₹290?
  27. 27.Find the third proportional to 7 and 21 (that is, 7 : 21 = 21 : ?).
  28. 28.Which of these numbers divides exactly by 8? (a) 2857 (b) 2346 (c) 8614 (d) 7568
  29. 29.What is the smallest number you must add to 203 so that it divides exactly by 4?
  30. 30.What is 3/7 of 196 litres?
  31. 31.1/2 × 4/9 =
  32. 32.6 × (25 − 1) + 28 ÷ 4 =
  33. 33.The HCF of two numbers is 7 and their LCM is 252. One of the numbers is 63. What is the other number?
  34. 34.Find the HCF of 70 and 20.
  35. 35.68 − 24 ÷ 3 × 6 =
  36. 36.1/2 of 4 + 3 × 2 =
  37. 37.Divide ₹884 between Diya and Kabir in the ratio 9 : 8. How much does Kabir get (in ₹)?
  38. 38.Find the smallest number bigger than 10 that leaves a remainder of 3 when divided by 8, 4 or 10.
  39. 39.Three temple bells ring every 6, 5 and 9 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  40. 40.Divide ₹120 between Farhan and Isha in the ratio 7 : 3. How much does Farhan get (in ₹)?

Answer key

  1. 1800
  2. 33
  3. 40
  4. 80
  5. 37
  6. 23
  7. 1/6
  8. 77
  9. 99
  10. 27
  11. 27
  12. 18
  13. 5
  14. 180
  15. 99
  16. 114
  17. 34.2
  18. 15
  19. 4
  20. 60
  21. 16
  22. 4
  23. 14000
  24. 12000
  25. 21
  26. 5
  27. 63
  28. 7568
  29. 1
  30. 84
  31. 2/9
  32. 151
  33. 28
  34. 10
  35. 20
  36. 8
  37. 416
  38. 43
  39. 90
  40. 84

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