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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 110 · 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 is closest to 2403 ÷ 41? (a) 600 (b) 120 (c) 60 (d) 30
  2. 2.26 + 4 × 9 − 1 =
  3. 3.If 10 kites cost ₹60, how much do 17 kites cost (in ₹)?
  4. 4.What is the smallest number you must take away from 764 so that it divides exactly by 6?
  5. 5.Write 1/4 as a percent.
  6. 6.What is 30% of 260?
  7. 7.1/2 + 2/6 =
  8. 8.57 − 24 ÷ 6 × 9 =
  9. 9.Round 94.79 to one decimal place. =
  10. 10.Write 4/5 as a percent.
  11. 11.What is the smallest number you must add to 326 so that it divides exactly by 9?
  12. 12.Find the third proportional to 7 and 35 (that is, 7 : 35 = 35 : ?).
  13. 13.What is 150% of 536?
  14. 14.Find the third proportional to 4 and 8 (that is, 4 : 8 = 8 : ?).
  15. 15.13 − 18 ÷ 9 × 6 =
  16. 16.Rahul scored 2 marks out of 20 in a test. What percentage did Rahul score?
  17. 17.If 5 notebooks cost ₹110, how much do 8 notebooks cost (in ₹)?
  18. 18.Find the HCF of 117 and 26.
  19. 19.The HCF of two numbers is 8 and their LCM is 240. One of the numbers is 48. What is the other number?
  20. 20.5% of a number is 19. What is the number?
  21. 21.Find the HCF of 105 and 45.
  22. 22.What percent of 400 is 388?
  23. 23.Which of these numbers divides exactly by 6? (a) 9172 (b) 5025 (c) 9274 (d) 5430
  24. 24.Find the LCM of 4 and 7.
  25. 25.If 3 pencil boxes cost ₹147, how much do 4 pencil boxes cost (in ₹)?
  26. 26.If 9 kg of rice costs ₹801, how many kg can you buy for ₹1157?
  27. 27.How many factors does 27 have?
  28. 28.Divide ₹315 between Arjun and Tara in the ratio 8 : 1. How much does Arjun get (in ₹)?
  29. 29.(2 + 19) × 4 − 12 =
  30. 30.8 : 3 = 48 : ?
  31. 31.What is the smallest number you must take away from 677 so that it divides exactly by 12?
  32. 32.40% of a number is 124. What is the number?
  33. 33.What is 10% of 260?
  34. 34.12 : 10 = 108 : ?
  35. 35.Find the HCF of 10 and 8.
  36. 36.If 5 kg of rice costs ₹430, how many kg can you buy for ₹258?
  37. 37.Two tanks hold 210 litres and 60 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  38. 38.Find the LCM of 28 and 12.
  39. 39.Which is closest to 402 × 18? (Round each number first.) (a) 80000 (b) 800 (c) 16000 (d) 8000
  40. 40.What is 25% of 328?

Answer key

  1. 60
  2. 61
  3. 102
  4. 2
  5. 25
  6. 78
  7. 5/6
  8. 21
  9. 94.8
  10. 80
  11. 7
  12. 175
  13. 804
  14. 16
  15. 1
  16. 10
  17. 176
  18. 13
  19. 40
  20. 380
  21. 15
  22. 97
  23. 5430
  24. 28
  25. 196
  26. 13
  27. 4
  28. 280
  29. 72
  30. 18
  31. 5
  32. 310
  33. 26
  34. 90
  35. 2
  36. 3
  37. 30
  38. 84
  39. 8000
  40. 82

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