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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 898 · 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 77.49 to one decimal place. =
  2. 2.Which is closest to 600 + 497 + 696? (a) 1900 (b) 1700 (c) 1800 (d) 2000
  3. 3.10% of a number is 45. What is the number?
  4. 4.Divide ₹42 between Kavya and Ananya in the ratio 4 : 3. How much does Ananya get (in ₹)?
  5. 5.29 + 12 × 2 − 10 =
  6. 6.5.8 × 2 =
  7. 7.Which is closest to 104 + 199 + 703? (a) 1200 (b) 900 (c) 1100 (d) 1000
  8. 8.4/5 of 40 + 7 × 8 =
  9. 9.Which of these numbers divides exactly by 8? (a) 8003 (b) 3371 (c) 6485 (d) 3160
  10. 10.Which of these numbers divides exactly by 4? (a) 4756 (b) 7346 (c) 7525 (d) 6609
  11. 11.3.4 × 4 =
  12. 12.Write 1/4 as a percent.
  13. 13.How many factors does 42 have?
  14. 14.If 11 cricket balls cost ₹396, how much do 2 cricket balls cost (in ₹)?
  15. 15.How many factors does 12 have?
  16. 16.(12 + 16) × 7 − 9 =
  17. 17.75% of a number is 330. What is the number?
  18. 18.What is 20% of 100?
  19. 19.Find the LCM of 11, 6 and 2.
  20. 20.Divide ₹48 between Meera and Vivaan in the ratio 1 : 2. How much does Vivaan get (in ₹)?
  21. 21.How many factors does 65 have?
  22. 22.The HCF of two numbers is 3 and their LCM is 135. One of the numbers is 15. What is the other number?
  23. 23.Which is closest to 2508 ÷ 51? (a) 100 (b) 50 (c) 25 (d) 500
  24. 24.Farhan takes 60 seconds and Meera takes 80 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?
  25. 25.Write 3/20 as a percent.
  26. 26.Three temple bells ring every 30, 4 and 6 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  27. 27.Divide ₹275 between Nisha and Meera in the ratio 7 : 4. How much does Nisha get (in ₹)?
  28. 28.Vivaan takes 40 seconds and Priya takes 60 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?
  29. 29.Find the third proportional to 5 and 15 (that is, 5 : 15 = 15 : ?).
  30. 30.What is 120% of 170?
  31. 31.Find the smallest number bigger than 10 that leaves a remainder of 1 when divided by 5, 10 or 3.
  32. 32.What is 50% of 36?
  33. 33.What percent of 200 is 12?
  34. 34.Divide ₹170 between Pooja and Kabir in the ratio 3 : 2. How much does Kabir get (in ₹)?
  35. 35.What percent of 50 is 8?
  36. 36.The HCF of two numbers is 9 and their LCM is 90. One of the numbers is 45. What is the other number?
  37. 37.How many factors does 46 have?
  38. 38.The HCF of two numbers is 4 and their LCM is 224. One of the numbers is 28. What is the other number?
  39. 39.1/2 − 2/5 =
  40. 40.A hall floor is 210 cm long and 90 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?

Answer key

  1. 77.5
  2. 1800
  3. 450
  4. 18
  5. 43
  6. 11.6
  7. 1000
  8. 88
  9. 3160
  10. 4756
  11. 13.6
  12. 25
  13. 8
  14. 72
  15. 6
  16. 187
  17. 440
  18. 20
  19. 66
  20. 32
  21. 4
  22. 27
  23. 50
  24. 240
  25. 15
  26. 60
  27. 175
  28. 120
  29. 45
  30. 204
  31. 31
  32. 18
  33. 6
  34. 68
  35. 16
  36. 18
  37. 4
  38. 32
  39. 1/10
  40. 21

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