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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 990 · 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.How many factors does 95 have?
  2. 2.4.4 ÷ 2 =
  3. 3.What is 75% of 176?
  4. 4.Three temple bells ring every 24, 12 and 15 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  5. 5.Write 1/2 as a percent.
  6. 6.How many factors does 31 have?
  7. 7.30.6 ÷ 9 =
  8. 8.Two tanks hold 105 litres and 60 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  9. 9.Find the HCF of 6 and 15.
  10. 10.Which is closest to 1503 ÷ 49? (a) 15 (b) 300 (c) 60 (d) 30
  11. 11.27 ÷ 3 × 2 + 28 =
  12. 12.Round 19967 to the nearest thousand.
  13. 13.Divide ₹416 between Kavya and Nisha in the ratio 1 : 7. How much does Kavya get (in ₹)?
  14. 14.If 5 pencil boxes cost ₹150, how much do 18 pencil boxes cost (in ₹)?
  15. 15.Find the HCF of 98 and 84.
  16. 16.A hostel has enough food for 9 students for 9 days. How many days will the same food last for 3 students?
  17. 17.A hall floor is 200 cm long and 160 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  18. 18.1/5 + 2/9 =
  19. 19.What is 2/5 of 25 litres?
  20. 20.19 ÷ 2 =
  21. 21.11 : 12 = 22 : ?
  22. 22.25 + 5 × 7 − 3 =
  23. 23.2/6 × 1/11 =
  24. 24.5 × (21 − 7) + 14 ÷ 2 =
  25. 25.1/6 × 1/3 =
  26. 26.A car goes 36 km on 4 litres of petrol. How far can it go on 38 litres (in km)?
  27. 27.59 − 54 ÷ 6 × 3 =
  28. 28.Kabir takes 45 seconds and Rahul takes 72 seconds to run once round a track. They start together from the start line. After how many seconds will they first be at the start line together again?
  29. 29.Find the LCM of 18 and 48.
  30. 30.A hostel has enough food for 9 students for 13 days. How many days will the same food last for 3 students?
  31. 31.Find the smallest number bigger than 12 that leaves a remainder of 1 when divided by 3, 12 or 9.
  32. 32.12% of a number is 12. What is the number?
  33. 33.Which is closest to 698 + 298 + 705? (a) 1700 (b) 1600 (c) 1900 (d) 1800
  34. 34.5.5 × 4 =
  35. 35.Divide ₹416 between Nisha and Tara in the ratio 1 : 7. How much does Tara get (in ₹)?
  36. 36.56 ÷ 7 × 7 + 4 =
  37. 37.Find the third proportional to 9 and 36 (that is, 9 : 36 = 36 : ?).
  38. 38.Two tanks hold 70 litres and 40 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  39. 39.What percent of 80 is 32?
  40. 40.Three temple bells ring every 5, 12 and 6 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?

Answer key

  1. 4
  2. 2.2
  3. 132
  4. 120
  5. 50
  6. 2
  7. 3.4
  8. 15
  9. 3
  10. 30
  11. 46
  12. 20000
  13. 52
  14. 540
  15. 14
  16. 27
  17. 20
  18. 19/45
  19. 10
  20. 9.5
  21. 24
  22. 57
  23. 1/33
  24. 77
  25. 1/18
  26. 342
  27. 32
  28. 360
  29. 144
  30. 39
  31. 37
  32. 100
  33. 1700
  34. 22
  35. 364
  36. 60
  37. 144
  38. 10
  39. 40
  40. 60

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