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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 29 · 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.Find the smallest number bigger than 15 that leaves a remainder of 1 when divided by 8, 4 or 15.
  2. 2.26 + 10 × 6 − 23 =
  3. 3.Which of these numbers divides exactly by 11? (a) 1656 (b) 1320 (c) 1388 (d) 6027
  4. 4.Divide ₹627 between Farhan and Manav in the ratio 5 : 6. How much does Farhan get (in ₹)?
  5. 5.A hostel has enough food for 10 students for 12 days. How many days will the same food last for 5 students?
  6. 6.If 5 kg of rice costs ₹315, how many kg can you buy for ₹693?
  7. 7.Two tanks hold 60 litres and 100 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  8. 8.The HCF of two numbers is 2 and their LCM is 70. One of the numbers is 10. What is the other number?
  9. 9.If 5 kg of rice costs ₹260, how many kg can you buy for ₹364?
  10. 10.Find the smallest number bigger than 12 that leaves a remainder of 2 when divided by 9, 12 or 3.
  11. 11.Round 78.53 to one decimal place. =
  12. 12.How many factors does 24 have?
  13. 13.The HCF of two numbers is 7 and their LCM is 126. One of the numbers is 63. What is the other number?
  14. 14.Which is closest to 3205 ÷ 39? (a) 40 (b) 80 (c) 800 (d) 160
  15. 15.Round 46868 to the nearest ten.
  16. 16.Which is closest to 401 ÷ 19? (a) 40 (b) 20 (c) 10 (d) 200
  17. 17.What is the smallest number you must add to 953 so that it divides exactly by 9?
  18. 18.Find the third proportional to 6 and 18 (that is, 6 : 18 = 18 : ?).
  19. 19.150% of a number is 411. What is the number?
  20. 20.60% of a number is 78. What is the number?
  21. 21.A hostel has enough food for 10 students for 23 days. How many days will the same food last for 5 students?
  22. 22.Find the LCM of 7, 6 and 3.
  23. 23.8 painters can paint a school in 16 days. How many days would 16 painters take, working at the same speed?
  24. 24.Round 93662 to the nearest hundred.
  25. 25.Find the smallest number bigger than 15 that leaves a remainder of 2 when divided by 15, 9 or 3.
  26. 26.20 ÷ 5 × 9 + 21 =
  27. 27.Find the HCF of 65 and 39.
  28. 28.3/10 + 9/11 =
  29. 29.What is the smallest number you must add to 526 so that it divides exactly by 13?
  30. 30.Which of these numbers divides exactly by 8? (a) 1128 (b) 2150 (c) 9725 (d) 4829
  31. 31.Find the third proportional to 6 and 12 (that is, 6 : 12 = 12 : ?).
  32. 32.Which of these numbers divides exactly by 4? (a) 9494 (b) 6207 (c) 2721 (d) 1772
  33. 33.Find the HCF of 33 and 88.
  34. 34.Find the HCF of 65 and 52.
  35. 35.24.8 ÷ 4 =
  36. 36.Round 92236 to the nearest thousand.
  37. 37.Which of these numbers divides exactly by 4? (a) 6411 (b) 1705 (c) 7634 (d) 3668
  38. 38.Find the LCM of 9 and 6.
  39. 39.6/8 − 1/2 =
  40. 40.A hall floor is 125 cm long and 75 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?

Answer key

  1. 121
  2. 63
  3. 1320
  4. 285
  5. 24
  6. 11
  7. 20
  8. 14
  9. 7
  10. 38
  11. 78.5
  12. 8
  13. 14
  14. 80
  15. 46870
  16. 20
  17. 1
  18. 54
  19. 274
  20. 130
  21. 46
  22. 42
  23. 8
  24. 93700
  25. 47
  26. 57
  27. 13
  28. 123/110
  29. 7
  30. 1128
  31. 24
  32. 1772
  33. 11
  34. 13
  35. 6.2
  36. 92000
  37. 3668
  38. 18
  39. 1/4
  40. 15

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