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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 795 · 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.Divide ₹832 between Aditya and Pooja in the ratio 7 : 9. How much does Aditya get (in ₹)?
  2. 2.Divide ₹290 between Aarav and Kavya in the ratio 4 : 1. How much does Kavya get (in ₹)?
  3. 3.Find the LCM of 6, 15 and 12.
  4. 4.Which of these numbers divides exactly by 11? (a) 5093 (b) 9458 (c) 2950 (d) 6909
  5. 5.What percent of 200 is 16?
  6. 6.Three temple bells ring every 5, 12 and 8 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  7. 7.8/11 × 1/2 =
  8. 8.Divide ₹464 between Ishaan and Rahul in the ratio 3 : 5. How much does Rahul get (in ₹)?
  9. 9.A hall floor is 350 cm long and 100 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  10. 10.The HCF of two numbers is 2 and their LCM is 112. One of the numbers is 16. What is the other number?
  11. 11.Find the HCF of 36 and 20.
  12. 12.Three temple bells ring every 12, 10 and 30 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  13. 13.The ratio of boys to girls in a class is 5 : 2. There are 10 boys. How many girls are there?
  14. 14.If 4 erasers cost ₹52, how much do 9 erasers cost (in ₹)?
  15. 15.How many factors does 91 have?
  16. 16.Round 19425 to the nearest hundred.
  17. 17.Find the LCM of 9 and 2.
  18. 18.Karan takes 50 seconds and Rohan takes 45 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?
  19. 19.8 painters can paint a school in 26 days. How many days would 13 painters take, working at the same speed?
  20. 20.A hostel has enough food for 2 students for 5 days. How many days will the same food last for 5 students?
  21. 21.13.8 ÷ 2 =
  22. 22.Round 76.31 to one decimal place. =
  23. 23.12 + 7 × 9 − 9 =
  24. 24.7/11 + 2/5 =
  25. 25.9/10 − 1/3 =
  26. 26.Find the HCF of 99 and 22.
  27. 27.A hostel has enough food for 3 students for 9 days. How many days will the same food last for 9 students?
  28. 28.Which is closest to 4492 ÷ 51? (a) 90 (b) 900 (c) 45 (d) 180
  29. 29.Three temple bells ring every 8, 30 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  30. 30.Which is closest to 1607 ÷ 41? (a) 20 (b) 80 (c) 400 (d) 40
  31. 31.Which is closest to 3597 ÷ 39? (a) 90 (b) 45 (c) 180 (d) 900
  32. 32.Round 46.63 to one decimal place. =
  33. 33.Three temple bells ring every 6, 10 and 9 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  34. 34.The HCF of two numbers is 3 and their LCM is 63. One of the numbers is 9. What is the other number?
  35. 35.A hall floor is 150 cm long and 60 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  36. 36.33 − 42 ÷ 7 × 2 =
  37. 37.Which is closest to 902 ÷ 31? (a) 60 (b) 300 (c) 30 (d) 15
  38. 38.8.05 + 4.9 =
  39. 39.Find the third proportional to 3 and 6 (that is, 3 : 6 = 6 : ?).
  40. 40.A car goes 150 km on 6 litres of petrol. How far can it go on 15 litres (in km)?

Answer key

  1. 364
  2. 58
  3. 60
  4. 5093
  5. 8
  6. 120
  7. 4/11
  8. 290
  9. 14
  10. 14
  11. 4
  12. 60
  13. 4
  14. 117
  15. 4
  16. 19400
  17. 18
  18. 450
  19. 16
  20. 2
  21. 6.9
  22. 76.3
  23. 66
  24. 57/55
  25. 17/30
  26. 11
  27. 3
  28. 90
  29. 120
  30. 40
  31. 90
  32. 46.6
  33. 90
  34. 21
  35. 10
  36. 21
  37. 30
  38. 12.95
  39. 12
  40. 375

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