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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 901 · 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 9? (a) 7190 (b) 9049 (c) 8973 (d) 2912
  2. 2.Two tanks hold 75 litres and 135 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  3. 3.If 7 kg of rice costs ₹252, how many kg can you buy for ₹72?
  4. 4.Which is closest to 799 ÷ 41? (a) 10 (b) 200 (c) 20 (d) 40
  5. 5.8.78 + 4.6 =
  6. 6.If 11 bottles of juice cost ₹506, how much do 20 bottles of juice cost (in ₹)?
  7. 7.Find the HCF of 50 and 90.
  8. 8.75% of a number is 186. What is the number?
  9. 9.Find the HCF of 63 and 35.
  10. 10.Find the HCF of 32 and 28.
  11. 11.Find the LCM of 5, 2 and 8.
  12. 12.Round 25482 to the nearest thousand.
  13. 13.What is the smallest number you must take away from 240 so that it divides exactly by 9?
  14. 14.2/5 × 5/6 =
  15. 15.6.12 + 6.9 =
  16. 16.9.6 ÷ 3 =
  17. 17.Write 4/5 as a percent.
  18. 18.Find the LCM of 3, 9 and 5.
  19. 19.38 − 27 ÷ 9 × 5 =
  20. 20.Round 25349 to the nearest thousand.
  21. 21.What is 3/5 of 30 km?
  22. 22.5.97 + 4.3 =
  23. 23.How many factors does 81 have?
  24. 24.Karan takes 36 seconds and Aditya takes 40 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?
  25. 25.Find the third proportional to 3 and 12 (that is, 3 : 12 = 12 : ?).
  26. 26.What is 60% of 55?
  27. 27.Which is closest to 805 ÷ 41? (a) 200 (b) 20 (c) 10 (d) 40
  28. 28.What is the smallest number you must take away from 155 so that it divides exactly by 13?
  29. 29.Round 72.77 to one decimal place. =
  30. 30.Which is closest to 96 + 896 + 499? (a) 1700 (b) 1600 (c) 1400 (d) 1500
  31. 31.What is the smallest number you must add to 966 so that it divides exactly by 12?
  32. 32.1/3 × 3/4 =
  33. 33.Find the LCM of 3, 12 and 4.
  34. 34.1/8 of 88 + 9 × 2 =
  35. 35.The HCF of two numbers is 2 and their LCM is 30. One of the numbers is 10. What is the other number?
  36. 36.What is 75% of 304?
  37. 37.Which is closest to 295 + 203 + 801? (a) 1300 (b) 1500 (c) 1200 (d) 1400
  38. 38.Three temple bells ring every 24, 10 and 15 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  39. 39.What percent of 40 is 8?
  40. 40.Round 94.47 to one decimal place. =

Answer key

  1. 8973
  2. 15
  3. 2
  4. 20
  5. 13.38
  6. 920
  7. 10
  8. 248
  9. 7
  10. 4
  11. 40
  12. 25000
  13. 6
  14. 1/3
  15. 13.02
  16. 3.2
  17. 80
  18. 45
  19. 23
  20. 25000
  21. 18
  22. 10.27
  23. 5
  24. 360
  25. 48
  26. 33
  27. 20
  28. 12
  29. 72.8
  30. 1500
  31. 6
  32. 1/4
  33. 12
  34. 29
  35. 6
  36. 228
  37. 1300
  38. 120
  39. 20
  40. 94.5

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