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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 608 · 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. 1.44 + 4 × 12 − 8 =
  2. 2.11 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
  3. 3.Three temple bells ring every 10, 5 and 6 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  4. 4.Divide ₹236 between Kavya and Farhan in the ratio 3 : 1. How much does Farhan get (in ₹)?
  5. 5.If 9 kg of rice costs ₹243, how many kg can you buy for ₹324?
  6. 6.7.6 × 3 =
  7. 7.48 − 6 ÷ 2 × 4 =
  8. 8.Find the HCF of 112 and 126.
  9. 9.What percent of 25 is 1?
  10. 10.The ratio of boys to girls in a class is 2 : 5. There are 6 boys. How many girls are there?
  11. 11.The HCF of two numbers is 2 and their LCM is 48. One of the numbers is 6. What is the other number?
  12. 12.How many factors does 22 have?
  13. 13.2.1 × 5 =
  14. 14.5 : 2 = 20 : ?
  15. 15.What is 80% of 255?
  16. 16.Find the LCM of 3, 15 and 12.
  17. 17.Which is closest to 4009 ÷ 51? (a) 40 (b) 800 (c) 160 (d) 80
  18. 18.How many factors does 12 have?
  19. 19.Find the LCM of 7 and 8.
  20. 20.Find the LCM of 8, 4 and 15.
  21. 21.Find the LCM of 2, 5 and 14.
  22. 22.10% of a number is 8. What is the number?
  23. 23.11 painters can paint a school in 6 days. How many days would 3 painters take, working at the same speed?
  24. 24.46 − 24 ÷ 4 × 7 =
  25. 25.Divide ₹98 between Vivaan and Sneha in the ratio 4 : 3. How much does Vivaan get (in ₹)?
  26. 26.The HCF of two numbers is 2 and their LCM is 24. One of the numbers is 6. What is the other number?
  27. 27.How many factors does 63 have?
  28. 28.The ratio of boys to girls in a class is 3 : 4. There are 12 boys. How many girls are there?
  29. 29.Find the smallest number bigger than 9 that leaves a remainder of 1 when divided by 3, 6 or 9.
  30. 30.Which of these numbers divides exactly by 6? (a) 1536 (b) 1016 (c) 4939 (d) 2991
  31. 31.Divide ₹182 between Zoya and Saanvi in the ratio 6 : 7. How much does Zoya get (in ₹)?
  32. 32.The ratio of boys to girls in a class is 5 : 7. There are 40 boys. How many girls are there?
  33. 33.Which is closest to 904 × 81? (Round each number first.) (a) 72000 (b) 144000 (c) 7200 (d) 720000
  34. 34.If 11 kites cost ₹77, how much do 6 kites cost (in ₹)?
  35. 35.What is 50% of 546?
  36. 36.What is the smallest number you must add to 348 so that it divides exactly by 11?
  37. 37.Find the LCM of 15 and 18.
  38. 38.Dev scored 32 marks out of 40 in a test. What percentage did Dev score?
  39. 39.2/12 × 2/6 =
  40. 40.A car goes 252 km on 12 litres of petrol. How far can it go on 10 litres (in km)?

Answer key

  1. 84
  2. 11
  3. 30
  4. 59
  5. 12
  6. 22.8
  7. 36
  8. 14
  9. 4
  10. 15
  11. 16
  12. 4
  13. 10.5
  14. 8
  15. 204
  16. 60
  17. 80
  18. 6
  19. 56
  20. 120
  21. 70
  22. 80
  23. 22
  24. 4
  25. 56
  26. 8
  27. 6
  28. 16
  29. 19
  30. 1536
  31. 84
  32. 56
  33. 72000
  34. 42
  35. 273
  36. 4
  37. 90
  38. 80
  39. 1/18
  40. 210

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