← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 181 · 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 84.17 to one decimal place. =
  2. 2.10 painters can paint a school in 19 days. How many days would 19 painters take, working at the same speed?
  3. 3.A hall floor is 100 cm long and 80 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  4. 4.The HCF of two numbers is 4 and their LCM is 84. One of the numbers is 28. What is the other number?
  5. 5.What is the smallest number you must add to 969 so that it divides exactly by 8?
  6. 6.What is 10% of 480?
  7. 7.9 × (24 − 7) + 55 ÷ 5 =
  8. 8.Which of these numbers divides exactly by 9? (a) 5964 (b) 4221 (c) 2065 (d) 8086
  9. 9.Which is closest to 904 × 90? (Round each number first.) (a) 8100 (b) 810000 (c) 81000 (d) 162000
  10. 10.Tara scored 5 marks out of 25 in a test. What percentage did Tara score?
  11. 11.The HCF of two numbers is 7 and their LCM is 245. One of the numbers is 35. What is the other number?
  12. 12.Find the third proportional to 6 and 18 (that is, 6 : 18 = 18 : ?).
  13. 13.10 + 9 × 11 − 1 =
  14. 14.Which is closest to 2993 ÷ 51? (a) 30 (b) 60 (c) 600 (d) 120
  15. 15.What is the smallest number you must add to 914 so that it divides exactly by 9?
  16. 16.Three temple bells ring every 4, 9 and 8 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  17. 17.10 painters can paint a school in 14 days. How many days would 4 painters take, working at the same speed?
  18. 18.What is 4/5 of 75 km?
  19. 19.Which is closest to 298 + 903 + 199? (a) 1400 (b) 1300 (c) 1500 (d) 1600
  20. 20.If 6 pens cost ₹138, how much do 17 pens cost (in ₹)?
  21. 21.25% of a number is 10. What is the number?
  22. 22.3.59 + 2.5 =
  23. 23.A car goes 27 km on 3 litres of petrol. How far can it go on 10 litres (in km)?
  24. 24.2.35 + 7.1 =
  25. 25.12 ÷ 6 × 5 + 18 =
  26. 26.The ratio of boys to girls in a class is 1 : 4. There are 9 boys. How many girls are there?
  27. 27.What is the smallest number you must take away from 273 so that it divides exactly by 4?
  28. 28.6 painters can paint a school in 4 days. How many days would 2 painters take, working at the same speed?
  29. 29.Round 71.82 to one decimal place. =
  30. 30.3/9 × 3/10 =
  31. 31.Which is closest to 295 + 801 + 704? (a) 1900 (b) 1800 (c) 1700 (d) 2000
  32. 32.12% of a number is 60. What is the number?
  33. 33.What is the smallest number you must add to 999 so that it divides exactly by 4?
  34. 34.1.3 × 5 =
  35. 35.Which is closest to 2402 ÷ 39? (a) 600 (b) 30 (c) 120 (d) 60
  36. 36.A car goes 161 km on 7 litres of petrol. How far can it go on 12 litres (in km)?
  37. 37.(11 + 2) × 9 − 2 =
  38. 38.A hostel has enough food for 12 students for 23 days. How many days will the same food last for 6 students?
  39. 39.What is 3/4 of 28 litres?
  40. 40.How many factors does 93 have?

Answer key

  1. 84.2
  2. 10
  3. 20
  4. 12
  5. 7
  6. 48
  7. 164
  8. 4221
  9. 81000
  10. 20
  11. 49
  12. 54
  13. 108
  14. 60
  15. 4
  16. 72
  17. 35
  18. 60
  19. 1400
  20. 391
  21. 40
  22. 6.09
  23. 90
  24. 9.45
  25. 28
  26. 36
  27. 1
  28. 12
  29. 71.8
  30. 1/10
  31. 1800
  32. 500
  33. 1
  34. 6.5
  35. 60
  36. 276
  37. 115
  38. 46
  39. 21
  40. 4

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