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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 201 · 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 11? (a) 4400 (b) 6460 (c) 6497 (d) 5384
  2. 2.Find the LCM of 9 and 6.
  3. 3.Kabir scored 45 marks out of 50 in a test. What percentage did Kabir score?
  4. 4.The HCF of two numbers is 8 and their LCM is 336. One of the numbers is 48. What is the other number?
  5. 5.Find the HCF of 26 and 65.
  6. 6.Which is closest to 302 + 597 + 95? (a) 1200 (b) 1100 (c) 1000 (d) 900
  7. 7.Which is closest to 799 + 804 + 597? (a) 2200 (b) 2400 (c) 2300 (d) 2100
  8. 8.Divide ₹192 between Saanvi and Aditya in the ratio 5 : 7. How much does Saanvi get (in ₹)?
  9. 9.Round 76.74 to one decimal place. =
  10. 10.20 ÷ 5 × 3 + 27 =
  11. 11.6/7 − 1/2 =
  12. 12.A hostel has enough food for 2 students for 19 days. How many days will the same food last for 19 students?
  13. 13.If 3 kg of rice costs ₹120, how many kg can you buy for ₹360?
  14. 14.The HCF of two numbers is 5 and their LCM is 105. One of the numbers is 15. What is the other number?
  15. 15.Find the LCM of 48 and 18.
  16. 16.7 : 9 = 28 : ?
  17. 17.Find the HCF of 90 and 40.
  18. 18.How many factors does 60 have?
  19. 19.(19 + 6) × 4 − 1 =
  20. 20.Which is closest to 504 + 902 + 398? (a) 1900 (b) 1700 (c) 2000 (d) 1800
  21. 21.If 6 kg of rice costs ₹390, how many kg can you buy for ₹325?
  22. 22.Find the HCF of 12 and 27.
  23. 23.5 × (22 − 3) + 4 ÷ 2 =
  24. 24.Find the LCM of 12, 5 and 2.
  25. 25.The ratio of boys to girls in a class is 9 : 7. There are 18 boys. How many girls are there?
  26. 26.Find the LCM of 9, 7 and 14.
  27. 27.7/11 × 5/6 =
  28. 28.(17 + 3) × 2 − 21 =
  29. 29.What is the smallest number you must add to 876 so that it divides exactly by 9?
  30. 30.What is 2/5 of 20 kg?
  31. 31.How many factors does 57 have?
  32. 32.2/3 − 3/5 =
  33. 33.What is 40% of 220?
  34. 34.Divide ₹252 between Pooja and Manav in the ratio 5 : 4. How much does Manav get (in ₹)?
  35. 35.Which of these numbers divides exactly by 6? (a) 9194 (b) 3561 (c) 9585 (d) 2424
  36. 36.The HCF of two numbers is 4 and their LCM is 56. One of the numbers is 28. What is the other number?
  37. 37.Find the third proportional to 2 and 4 (that is, 2 : 4 = 4 : ?).
  38. 38.150% of a number is 342. What is the number?
  39. 39.A car goes 76 km on 4 litres of petrol. How far can it go on 25 litres (in km)?
  40. 40.Which of these numbers divides exactly by 3? (a) 2934 (b) 5779 (c) 3466 (d) 5570

Answer key

  1. 4400
  2. 18
  3. 90
  4. 56
  5. 13
  6. 1000
  7. 2200
  8. 80
  9. 76.7
  10. 39
  11. 5/14
  12. 2
  13. 9
  14. 35
  15. 144
  16. 36
  17. 10
  18. 12
  19. 99
  20. 1800
  21. 5
  22. 3
  23. 97
  24. 60
  25. 14
  26. 126
  27. 35/66
  28. 19
  29. 6
  30. 8
  31. 4
  32. 1/15
  33. 88
  34. 112
  35. 2424
  36. 8
  37. 8
  38. 228
  39. 475
  40. 2934

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