← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 420 · 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. 1.7 × (21 − 19) + 55 ÷ 5 =
  2. 2.Round 66506 to the nearest hundred.
  3. 3.If 10 pens cost ₹310, how much do 9 pens cost (in ₹)?
  4. 4.2/3 − 1/2 =
  5. 5.(8 + 7) × 2 − 14 =
  6. 6.Find the HCF of 81 and 72.
  7. 7.Which is closest to 3503 ÷ 51? (a) 70 (b) 140 (c) 35 (d) 700
  8. 8.4/5 × 4/7 =
  9. 9.Find the HCF of 22 and 55.
  10. 10.32 − 14 ÷ 7 × 9 =
  11. 11.Which is closest to 1191 ÷ 39? (a) 15 (b) 30 (c) 300 (d) 60
  12. 12.Divide ₹190 between Rohan and Arjun in the ratio 2 : 3. How much does Rohan get (in ₹)?
  13. 13.10 ÷ 2 × 6 + 14 =
  14. 14.Find the smallest number bigger than 6 that leaves a remainder of 2 when divided by 6, 3 or 5.
  15. 15.The ratio of boys to girls in a class is 5 : 7. There are 40 boys. How many girls are there?
  16. 16.1.3 × 5 =
  17. 17.Divide ₹180 between Farhan and Vivaan in the ratio 4 : 5. How much does Farhan get (in ₹)?
  18. 18.The HCF of two numbers is 2 and their LCM is 30. One of the numbers is 10. What is the other number?
  19. 19.A hall floor is 135 cm long and 90 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  20. 20.A car goes 99 km on 11 litres of petrol. How far can it go on 25 litres (in km)?
  21. 21.2.17 + 7.9 =
  22. 22.5/8 − 1/3 =
  23. 23.What is the smallest number you must take away from 140 so that it divides exactly by 3?
  24. 24.The HCF of two numbers is 8 and their LCM is 288. One of the numbers is 32. What is the other number?
  25. 25.15% of a number is 63. What is the number?
  26. 26.What percent of 40 is 36?
  27. 27.Divide ₹96 between Kabir and Arjun in the ratio 2 : 1. How much does Kabir get (in ₹)?
  28. 28.150% of a number is 630. What is the number?
  29. 29.(2 + 18) × 8 − 8 =
  30. 30.A car goes 156 km on 12 litres of petrol. How far can it go on 15 litres (in km)?
  31. 31.Three temple bells ring every 6, 4 and 10 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  32. 32.5/8 + 8/9 =
  33. 33.20 + 10 × 12 − 5 =
  34. 34.1/2 of 14 + 8 × 9 =
  35. 35.9/10 − 8/11 =
  36. 36.The ratio of boys to girls in a class is 2 : 5. There are 20 boys. How many girls are there?
  37. 37.Find the HCF of 99 and 44.
  38. 38.Write 47/50 as a percent.
  39. 39.Which of these numbers divides exactly by 8? (a) 4528 (b) 4735 (c) 6954 (d) 1699
  40. 40.12 : 3 = 36 : ?

Answer key

  1. 25
  2. 66500
  3. 279
  4. 1/6
  5. 16
  6. 9
  7. 70
  8. 16/35
  9. 11
  10. 14
  11. 30
  12. 76
  13. 44
  14. 32
  15. 56
  16. 6.5
  17. 80
  18. 6
  19. 6
  20. 225
  21. 10.07
  22. 7/24
  23. 2
  24. 72
  25. 420
  26. 90
  27. 64
  28. 420
  29. 152
  30. 195
  31. 60
  32. 109/72
  33. 135
  34. 79
  35. 19/110
  36. 50
  37. 11
  38. 94
  39. 4528
  40. 9

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