← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 919 · 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. 1.43 + 8 × 3 − 22 =
  2. 2.(3 + 6) × 8 − 12 =
  3. 3.24 ÷ 2 × 5 + 1 =
  4. 4.3 : 8 = 15 : ?
  5. 5.Round 24232 to the nearest thousand.
  6. 6.Round 49830 to the nearest hundred.
  7. 7.The HCF of two numbers is 5 and their LCM is 100. One of the numbers is 25. What is the other number?
  8. 8.1/7 + 1/6 =
  9. 9.Three temple bells ring every 15, 5 and 12 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  10. 10.Find the third proportional to 9 and 27 (that is, 9 : 27 = 27 : ?).
  11. 11.If 7 erasers cost ₹70, how much do 13 erasers cost (in ₹)?
  12. 12.If 9 mangoes cost ₹531, how much do 7 mangoes cost (in ₹)?
  13. 13.5 painters can paint a school in 20 days. How many days would 2 painters take, working at the same speed?
  14. 14.Find the HCF of 20 and 8.
  15. 15.Which of these numbers divides exactly by 6? (a) 5996 (b) 1765 (c) 5196 (d) 9377
  16. 16.3 : 10 = 24 : ?
  17. 17.Which is closest to 3998 ÷ 49? (a) 40 (b) 80 (c) 800 (d) 160
  18. 18.10 + 5 × 7 − 3 =
  19. 19.27 + 2 × 3 − 16 =
  20. 20.1/4 + 1/9 =
  21. 21.Three temple bells ring every 24, 20 and 5 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  22. 22.Which is closest to 95 + 804 + 97? (a) 1100 (b) 1000 (c) 1200 (d) 900
  23. 23.Which is closest to 1999 ÷ 41? (a) 25 (b) 500 (c) 50 (d) 100
  24. 24.What is the smallest number you must take away from 105 so that it divides exactly by 8?
  25. 25.Three temple bells ring every 9, 8 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  26. 26.What is 50% of 314?
  27. 27.9.6 ÷ 2 =
  28. 28.Find the smallest number bigger than 15 that leaves a remainder of 1 when divided by 9, 4 or 15.
  29. 29.Divide ₹210 between Isha and Arjun in the ratio 4 : 3. How much does Isha get (in ₹)?
  30. 30.What is 2/3 of ₹78?
  31. 31.6 painters can paint a school in 4 days. How many days would 4 painters take, working at the same speed?
  32. 32.7/9 × 1/2 =
  33. 33.Karan takes 45 seconds and Zoya takes 50 seconds to run once round a track. They start together from the start line. After how many seconds will they first be at the start line together again?
  34. 34.12% of a number is 33. What is the number?
  35. 35.How many factors does 63 have?
  36. 36.6 : 7 = 12 : ?
  37. 37.Find the LCM of 15 and 21.
  38. 38.Find the HCF of 8 and 28.
  39. 39.Which is closest to 498 × 71? (Round each number first.) (a) 3500 (b) 350000 (c) 35000 (d) 70000
  40. 40.What is the smallest number you must add to 604 so that it divides exactly by 6?

Answer key

  1. 45
  2. 60
  3. 61
  4. 40
  5. 24000
  6. 49800
  7. 20
  8. 13/42
  9. 60
  10. 81
  11. 130
  12. 413
  13. 50
  14. 4
  15. 5196
  16. 80
  17. 80
  18. 42
  19. 17
  20. 13/36
  21. 120
  22. 1000
  23. 50
  24. 1
  25. 72
  26. 157
  27. 4.8
  28. 181
  29. 120
  30. 52
  31. 6
  32. 7/18
  33. 450
  34. 275
  35. 6
  36. 14
  37. 105
  38. 4
  39. 35000
  40. 2

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude