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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 838 · 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. 1.1/6 + 1/3 =
  2. 2.Find the HCF of 105 and 30.
  3. 3.Which is closest to 600 × 29? (Round each number first.) (a) 180000 (b) 1800 (c) 18000 (d) 36000
  4. 4.9.01 + 5.7 =
  5. 5.1/4 × 1/2 =
  6. 6.Which is closest to 805 + 797 + 899? (a) 2400 (b) 2500 (c) 2700 (d) 2600
  7. 7.75% of a number is 48. What is the number?
  8. 8.If 2 kg of rice costs ₹42, how many kg can you buy for ₹126?
  9. 9.A hostel has enough food for 12 students for 11 days. How many days will the same food last for 4 students?
  10. 10.11/12 + 4/6 =
  11. 11.26 − 45 ÷ 9 × 2 =
  12. 12.If 7 mangoes cost ₹84, how much do 20 mangoes cost (in ₹)?
  13. 13.Dev takes 45 seconds and Rohan 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?
  14. 14.Find the HCF of 55 and 33.
  15. 15.Which is closest to 2399 ÷ 29? (a) 800 (b) 160 (c) 40 (d) 80
  16. 16.Which is closest to 1792 ÷ 31? (a) 30 (b) 600 (c) 60 (d) 120
  17. 17.16.6 ÷ 2 =
  18. 18.Find the LCM of 2, 7 and 10.
  19. 19.The ratio of boys to girls in a class is 9 : 2. There are 63 boys. How many girls are there?
  20. 20.Two tanks hold 160 litres and 180 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  21. 21.Divide ₹516 between Ananya and Manav in the ratio 5 : 7. How much does Manav get (in ₹)?
  22. 22.The ratio of boys to girls in a class is 9 : 1. There are 45 boys. How many girls are there?
  23. 23.Which of these numbers divides exactly by 11? (a) 4962 (b) 2189 (c) 9626 (d) 2986
  24. 24.If 2 kg of rice costs ₹74, how many kg can you buy for ₹222?
  25. 25.Three temple bells ring every 18, 9 and 8 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  26. 26.A hostel has enough food for 2 students for 13 days. How many days will the same food last for 13 students?
  27. 27.Which of these numbers divides exactly by 8? (a) 1959 (b) 6213 (c) 4728 (d) 3005
  28. 28.Find the smallest number bigger than 12 that leaves a remainder of 2 when divided by 12, 8 or 9.
  29. 29.Which of these numbers divides exactly by 8? (a) 4647 (b) 3664 (c) 4297 (d) 4391
  30. 30.Find the HCF of 60 and 45.
  31. 31.5 × (13 − 10) + 108 ÷ 9 =
  32. 32.(3 + 5) × 4 − 12 =
  33. 33.What percent of 200 is 192?
  34. 34.Three temple bells ring every 6, 24 and 5 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  35. 35.5/8 of 72 + 6 × 6 =
  36. 36.Round 75148 to the nearest ten.
  37. 37.3/4 × 1/7 =
  38. 38.9 : 14 = 18 : ?
  39. 39.What is 5% of 120?
  40. 40.What is 80% of 5?

Answer key

  1. 1/2
  2. 15
  3. 18000
  4. 14.71
  5. 1/8
  6. 2500
  7. 64
  8. 6
  9. 33
  10. 19/12
  11. 16
  12. 240
  13. 720
  14. 11
  15. 80
  16. 60
  17. 8.3
  18. 70
  19. 14
  20. 20
  21. 301
  22. 5
  23. 2189
  24. 6
  25. 72
  26. 2
  27. 4728
  28. 74
  29. 3664
  30. 15
  31. 27
  32. 20
  33. 96
  34. 120
  35. 81
  36. 75150
  37. 3/28
  38. 28
  39. 6
  40. 4

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