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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 270 · 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. 1.50 ÷ 5 × 9 + 10 =
  2. 2.Which of these numbers divides exactly by 11? (a) 6253 (b) 6919 (c) 6052 (d) 8680
  3. 3.If 8 pencil boxes cost ₹480, how much do 16 pencil boxes cost (in ₹)?
  4. 4.Find the smallest number bigger than 9 that leaves a remainder of 2 when divided by 8, 3 or 9.
  5. 5.26 + 12 × 4 − 23 =
  6. 6.Round 79.26 to one decimal place. =
  7. 7.4 × (10 − 9) + 72 ÷ 8 =
  8. 8.Round 29638 to the nearest hundred.
  9. 9.The ratio of boys to girls in a class is 9 : 2. There are 72 boys. How many girls are there?
  10. 10.1/2 − 1/3 =
  11. 11.Sneha takes 48 seconds and Saanvi takes 40 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?
  12. 12.Which is closest to 1791 ÷ 29? (a) 120 (b) 600 (c) 30 (d) 60
  13. 13.Find the HCF of 14 and 18.
  14. 14.How many factors does 79 have?
  15. 15.Round 80.08 to one decimal place. =
  16. 16.Which of these numbers divides exactly by 8? (a) 2682 (b) 3248 (c) 9157 (d) 9914
  17. 17.1/2 + 4/6 =
  18. 18.Rahul takes 36 seconds and Kavya takes 40 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.Write 1/2 as a percent.
  20. 20.Which is closest to 793 ÷ 19? (a) 40 (b) 20 (c) 400 (d) 80
  21. 21.Round 60279 to the nearest thousand.
  22. 22.18 ÷ 9 × 4 + 13 =
  23. 23.Which of these numbers divides exactly by 6? (a) 3389 (b) 4395 (c) 6498 (d) 9287
  24. 24.The HCF of two numbers is 7 and their LCM is 70. One of the numbers is 14. What is the other number?
  25. 25.Farhan scored 11 marks out of 25 in a test. What percentage did Farhan score?
  26. 26.If 5 kg of rice costs ₹345, how many kg can you buy for ₹966?
  27. 27.Divide ₹310 between Priya and Kabir in the ratio 7 : 3. How much does Priya get (in ₹)?
  28. 28.Saanvi takes 36 seconds and Sneha takes 90 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. 29.2/3 + 5/12 =
  30. 30.Find the LCM of 8, 2 and 3.
  31. 31.8.4 × 9 =
  32. 32.What is 1/2 of 52 km?
  33. 33.Three temple bells ring every 6, 20 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  34. 34.Write 11/50 as a percent.
  35. 35.A hostel has enough food for 7 students for 28 days. How many days will the same food last for 14 students?
  36. 36.Two tanks hold 175 litres and 225 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  37. 37.Round 4328 to the nearest ten.
  38. 38.Find the LCM of 5, 3 and 9.
  39. 39.The ratio of boys to girls in a class is 2 : 3. There are 14 boys. How many girls are there?
  40. 40.How many factors does 70 have?

Answer key

  1. 100
  2. 6919
  3. 960
  4. 74
  5. 51
  6. 79.3
  7. 13
  8. 29600
  9. 16
  10. 1/6
  11. 240
  12. 60
  13. 2
  14. 2
  15. 80.1
  16. 3248
  17. 7/6
  18. 360
  19. 50
  20. 40
  21. 60000
  22. 21
  23. 6498
  24. 35
  25. 44
  26. 14
  27. 217
  28. 180
  29. 13/12
  30. 24
  31. 75.6
  32. 26
  33. 60
  34. 22
  35. 14
  36. 25
  37. 4330
  38. 45
  39. 21
  40. 8

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