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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 910 · 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. 1.49 − 21 ÷ 3 × 2 =
  2. 2.Divide ₹77 between Ananya and Farhan in the ratio 2 : 9. How much does Ananya get (in ₹)?
  3. 3.If 8 erasers cost ₹200, how much do 6 erasers cost (in ₹)?
  4. 4.5% of a number is 7. What is the number?
  5. 5.44 + 10 × 7 − 23 =
  6. 6.30% of a number is 72. What is the number?
  7. 7.6 : 9 = 54 : ?
  8. 8.17 + 11 × 7 − 2 =
  9. 9.Round 80.09 to one decimal place. =
  10. 10.Find the LCM of 7, 2 and 11.
  11. 11.Find the HCF of 21 and 9.
  12. 12.6 × (18 − 17) + 36 ÷ 9 =
  13. 13.Three temple bells ring every 9, 10 and 6 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  14. 14.16 ÷ 4 × 8 + 23 =
  15. 15.If 3 cricket balls cost ₹45, how much do 16 cricket balls cost (in ₹)?
  16. 16.Find the third proportional to 6 and 24 (that is, 6 : 24 = 24 : ?).
  17. 17.Two tanks hold 225 litres and 90 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  18. 18.If 11 kites cost ₹418, how much do 6 kites cost (in ₹)?
  19. 19.5 : 12 = 15 : ?
  20. 20.If 6 notebooks cost ₹240, how much do 4 notebooks cost (in ₹)?
  21. 21.Which is closest to 195 + 497 + 405? (a) 1200 (b) 1000 (c) 1300 (d) 1100
  22. 22.10 : 9 = 20 : ?
  23. 23.Find the LCM of 15 and 27.
  24. 24.Find the HCF of 20 and 16.
  25. 25.Write 3/4 as a percent.
  26. 26.Find the LCM of 7, 6 and 3.
  27. 27.Find the LCM of 8 and 12.
  28. 28.If 4 kg of rice costs ₹96, how many kg can you buy for ₹312?
  29. 29.Divide ₹944 between Priya and Arjun in the ratio 9 : 7. How much does Arjun get (in ₹)?
  30. 30.If 8 mangoes cost ₹480, how much do 20 mangoes cost (in ₹)?
  31. 31.40% of a number is 226. What is the number?
  32. 32.What is the smallest number you must add to 795 so that it divides exactly by 12?
  33. 33.Write 4/25 as a percent.
  34. 34.The HCF of two numbers is 5 and their LCM is 200. One of the numbers is 25. What is the other number?
  35. 35.A hall floor is 140 cm long and 100 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  36. 36.Find the HCF of 77 and 99.
  37. 37.Divide ₹468 between Diya and Manav in the ratio 8 : 5. How much does Manav get (in ₹)?
  38. 38.1/3 × 6/8 =
  39. 39.Karan scored 3 marks out of 25 in a test. What percentage did Karan score?
  40. 40.1/2 of 4 + 5 × 9 =

Answer key

  1. 35
  2. 14
  3. 150
  4. 140
  5. 91
  6. 240
  7. 81
  8. 92
  9. 80.1
  10. 154
  11. 3
  12. 10
  13. 90
  14. 55
  15. 240
  16. 96
  17. 45
  18. 228
  19. 36
  20. 160
  21. 1100
  22. 18
  23. 135
  24. 4
  25. 75
  26. 42
  27. 24
  28. 13
  29. 413
  30. 1200
  31. 565
  32. 9
  33. 16
  34. 40
  35. 35
  36. 11
  37. 180
  38. 1/4
  39. 12
  40. 47

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