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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 83 · 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 take away from 673 so that it divides exactly by 6?
  2. 2.Ananya scored 56 marks out of 80 in a test. What percentage did Ananya score?
  3. 3.46.8 ÷ 9 =
  4. 4.Find the HCF of 18 and 15.
  5. 5.Which is closest to 204 + 905 + 395? (a) 1600 (b) 1400 (c) 1500 (d) 1700
  6. 6.82 − 81 ÷ 9 × 9 =
  7. 7.Farhan scored 8 marks out of 80 in a test. What percentage did Farhan score?
  8. 8.75% of a number is 87. What is the number?
  9. 9.11/12 + 1/2 =
  10. 10.How many factors does 64 have?
  11. 11.Three temple bells ring every 8, 24 and 18 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  12. 12.The HCF of two numbers is 8 and their LCM is 224. One of the numbers is 56. What is the other number?
  13. 13.Find the LCM of 8 and 14.
  14. 14.Two tanks hold 320 litres and 280 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  15. 15.What is 5% of 360?
  16. 16.1/3 of 15 + 3 × 8 =
  17. 17.Which of these numbers divides exactly by 3? (a) 4919 (b) 9091 (c) 2384 (d) 3102
  18. 18.A hostel has enough food for 4 students for 20 days. How many days will the same food last for 5 students?
  19. 19.A car goes 120 km on 5 litres of petrol. How far can it go on 18 litres (in km)?
  20. 20.(15 + 18) × 3 − 20 =
  21. 21.The HCF of two numbers is 5 and their LCM is 100. One of the numbers is 25. What is the other number?
  22. 22.If 6 mangoes cost ₹60, how much do 20 mangoes cost (in ₹)?
  23. 23.11 : 14 = 33 : ?
  24. 24.36 ÷ 9 × 8 + 1 =
  25. 25.5% of a number is 30. What is the number?
  26. 26.3 × (21 − 12) + 84 ÷ 7 =
  27. 27.48 + 11 × 9 − 2 =
  28. 28.What is the smallest number you must add to 149 so that it divides exactly by 8?
  29. 29.Divide ₹273 between Rahul and Sneha in the ratio 9 : 4. How much does Rahul get (in ₹)?
  30. 30.What percent of 80 is 52?
  31. 31.If 7 kg of rice costs ₹168, how many kg can you buy for ₹336?
  32. 32.What is 5/7 of 154 km?
  33. 33.Which is closest to 802 × 71? (Round each number first.) (a) 112000 (b) 56000 (c) 5600 (d) 560000
  34. 34.Which is closest to 901 × 60? (Round each number first.) (a) 5400 (b) 540000 (c) 108000 (d) 54000
  35. 35.3.3 × 4 =
  36. 36.What is 1/2 of 26 litres?
  37. 37.9/11 − 9/12 =
  38. 38.Which is closest to 798 + 902 + 297? (a) 2000 (b) 1900 (c) 2100 (d) 2200
  39. 39.If 8 kg of rice costs ₹648, how many kg can you buy for ₹486?
  40. 40.The HCF of two numbers is 2 and their LCM is 112. One of the numbers is 14. What is the other number?

Answer key

  1. 1
  2. 70
  3. 5.2
  4. 3
  5. 1500
  6. 1
  7. 10
  8. 116
  9. 17/12
  10. 7
  11. 72
  12. 32
  13. 56
  14. 40
  15. 18
  16. 29
  17. 3102
  18. 16
  19. 432
  20. 79
  21. 20
  22. 200
  23. 42
  24. 33
  25. 600
  26. 39
  27. 145
  28. 3
  29. 189
  30. 65
  31. 14
  32. 110
  33. 56000
  34. 54000
  35. 13.2
  36. 13
  37. 3/44
  38. 2000
  39. 6
  40. 16

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