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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 889 · 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. 1.40% of a number is 174. What is the number?
  2. 2.How many factors does 18 have?
  3. 3.What percent of 400 is 364?
  4. 4.Priya scored 28 marks out of 50 in a test. What percentage did Priya score?
  5. 5.Find the HCF of 135 and 60.
  6. 6.What is the smallest number you must take away from 207 so that it divides exactly by 11?
  7. 7.(9 + 15) × 6 − 4 =
  8. 8.Find the smallest number bigger than 10 that leaves a remainder of 1 when divided by 5, 10 or 6.
  9. 9.The HCF of two numbers is 7 and their LCM is 504. One of the numbers is 56. What is the other number?
  10. 10.Write 1/20 as a percent.
  11. 11.What is the smallest number you must take away from 657 so that it divides exactly by 4?
  12. 12.Divide ₹308 between Isha and Diya in the ratio 3 : 4. How much does Diya get (in ₹)?
  13. 13.How many factors does 77 have?
  14. 14.If 8 kg of rice costs ₹240, how many kg can you buy for ₹390?
  15. 15.What is the smallest number you must add to 117 so that it divides exactly by 4?
  16. 16.If 12 mangoes cost ₹60, how much do 8 mangoes cost (in ₹)?
  17. 17.If 3 kg of rice costs ₹87, how many kg can you buy for ₹261?
  18. 18.Three temple bells ring every 15, 20 and 6 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  19. 19.Round 66668 to the nearest ten.
  20. 20.Find the LCM of 8, 3 and 7.
  21. 21.(12 + 20) × 9 − 28 =
  22. 22.4 × (21 − 6) + 33 ÷ 3 =
  23. 23.15% of a number is 36. What is the number?
  24. 24.50% of a number is 222. What is the number?
  25. 25.4 : 12 = 16 : ?
  26. 26.Round 39281 to the nearest ten.
  27. 27.8.98 + 8.9 =
  28. 28.If 8 pens cost ₹88, how much do 15 pens cost (in ₹)?
  29. 29.Which is closest to 704 + 495 + 197? (a) 1600 (b) 1300 (c) 1500 (d) 1400
  30. 30.Which of these numbers divides exactly by 11? (a) 3878 (b) 6622 (c) 8827 (d) 6910
  31. 31.If 9 kg of rice costs ₹468, how many kg can you buy for ₹312?
  32. 32.What is the smallest number you must add to 290 so that it divides exactly by 9?
  33. 33.Find the LCM of 10, 15 and 2.
  34. 34.150% of a number is 576. What is the number?
  35. 35.The HCF of two numbers is 7 and their LCM is 140. One of the numbers is 28. What is the other number?
  36. 36.80% of a number is 460. What is the number?
  37. 37.Which is closest to 1193 ÷ 19? (a) 120 (b) 60 (c) 30 (d) 600
  38. 38.Round 64.32 to one decimal place. =
  39. 39.Round 12602 to the nearest thousand.
  40. 40.Which of these numbers divides exactly by 3? (a) 6068 (b) 8300 (c) 7985 (d) 6804

Answer key

  1. 435
  2. 6
  3. 91
  4. 56
  5. 15
  6. 9
  7. 140
  8. 31
  9. 63
  10. 5
  11. 1
  12. 176
  13. 4
  14. 13
  15. 3
  16. 40
  17. 9
  18. 60
  19. 66670
  20. 168
  21. 260
  22. 71
  23. 240
  24. 444
  25. 48
  26. 39280
  27. 17.88
  28. 165
  29. 1400
  30. 6622
  31. 6
  32. 7
  33. 30
  34. 384
  35. 35
  36. 575
  37. 60
  38. 64.3
  39. 13000
  40. 6804

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