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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 98 · 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.Round 22062 to the nearest thousand.
  2. 2.Three temple bells ring every 15, 6 and 24 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  3. 3.If 9 bottles of juice cost ₹486, how much do 17 bottles of juice cost (in ₹)?
  4. 4.Which of these numbers divides exactly by 9? (a) 7000 (b) 6753 (c) 9352 (d) 7749
  5. 5.Which is closest to 704 + 501 + 97? (a) 1400 (b) 1200 (c) 1300 (d) 1500
  6. 6.Which of these numbers divides exactly by 11? (a) 1047 (b) 4444 (c) 5337 (d) 3154
  7. 7.Find the LCM of 3, 6 and 15.
  8. 8.What is the smallest number you must add to 790 so that it divides exactly by 13?
  9. 9.3.92 + 7.5 =
  10. 10.9.32 + 2.6 =
  11. 11.75% of a number is 192. What is the number?
  12. 12.Divide ₹324 between Isha and Nisha in the ratio 1 : 8. How much does Isha get (in ₹)?
  13. 13.Divide ₹161 between Arjun and Isha in the ratio 6 : 1. How much does Isha get (in ₹)?
  14. 14.Find the HCF of 28 and 20.
  15. 15.Find the third proportional to 3 and 6 (that is, 3 : 6 = 6 : ?).
  16. 16.What percent of 400 is 100?
  17. 17.Which is closest to 496 × 48? (Round each number first.) (a) 50000 (b) 2500 (c) 250000 (d) 25000
  18. 18.What is the smallest number you must take away from 271 so that it divides exactly by 12?
  19. 19.Round 10.54 to one decimal place. =
  20. 20.Round 22.64 to one decimal place. =
  21. 21.What is the smallest number you must add to 198 so that it divides exactly by 7?
  22. 22.Which is closest to 1394 ÷ 19? (a) 35 (b) 700 (c) 70 (d) 140
  23. 23.Meera scored 16 marks out of 20 in a test. What percentage did Meera score?
  24. 24.12 + 2 × 11 − 5 =
  25. 25.5% of a number is 25. What is the number?
  26. 26.What is the smallest number you must add to 307 so that it divides exactly by 9?
  27. 27.What is 20% of 100?
  28. 28.18 ÷ 9 × 3 + 26 =
  29. 29.Find the third proportional to 4 and 8 (that is, 4 : 8 = 8 : ?).
  30. 30.4/6 − 2/10 =
  31. 31.19 + 8 × 8 − 2 =
  32. 32.What is the smallest number you must take away from 665 so that it divides exactly by 9?
  33. 33.Find the HCF of 20 and 70.
  34. 34.What is 60% of 205?
  35. 35.Round 5979 to the nearest ten.
  36. 36.68.6 ÷ 7 =
  37. 37.Which is closest to 601 + 597 + 898? (a) 2000 (b) 2300 (c) 2100 (d) 2200
  38. 38.A hostel has enough food for 11 students for 8 days. How many days will the same food last for 22 students?
  39. 39.4 : 13 = 28 : ?
  40. 40.Find the HCF of 55 and 99.

Answer key

  1. 22000
  2. 120
  3. 918
  4. 7749
  5. 1300
  6. 4444
  7. 30
  8. 3
  9. 11.42
  10. 11.92
  11. 256
  12. 36
  13. 23
  14. 4
  15. 12
  16. 25
  17. 25000
  18. 7
  19. 10.5
  20. 22.6
  21. 5
  22. 70
  23. 80
  24. 29
  25. 500
  26. 8
  27. 20
  28. 32
  29. 16
  30. 7/15
  31. 81
  32. 8
  33. 10
  34. 123
  35. 5980
  36. 9.8
  37. 2100
  38. 4
  39. 91
  40. 11

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