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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 958 · 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.What is the smallest number you must take away from 241 so that it divides exactly by 9?
  2. 2.Divide ₹50 between Meera and Kavya in the ratio 4 : 1. How much does Kavya get (in ₹)?
  3. 3.3 painters can paint a school in 6 days. How many days would 9 painters take, working at the same speed?
  4. 4.How many factors does 18 have?
  5. 5.Three temple bells ring every 10, 5 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  6. 6.Which is closest to 97 + 802 + 403? (a) 1200 (b) 1300 (c) 1500 (d) 1400
  7. 7.Ananya scored 4 marks out of 20 in a test. What percentage did Ananya score?
  8. 8.3/6 − 4/11 =
  9. 9.13.5 ÷ 3 =
  10. 10.7 × (20 − 11) + 30 ÷ 3 =
  11. 11.Three temple bells ring every 6, 15 and 5 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  12. 12.What is the smallest number you must take away from 362 so that it divides exactly by 9?
  13. 13.8/12 + 4/5 =
  14. 14.If 12 kites cost ₹300, how much do 4 kites cost (in ₹)?
  15. 15.Divide ₹128 between Aditya and Ananya in the ratio 3 : 1. How much does Aditya get (in ₹)?
  16. 16.If 2 kg of rice costs ₹74, how many kg can you buy for ₹185?
  17. 17.Which of these numbers divides exactly by 4? (a) 8152 (b) 6831 (c) 2247 (d) 3438
  18. 18.17 + 7 × 11 − 9 =
  19. 19.7 : 4 = 35 : ?
  20. 20.Two tanks hold 15 litres and 25 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  21. 21.What is the smallest number you must take away from 285 so that it divides exactly by 7?
  22. 22.What is 25% of 332?
  23. 23.Three temple bells ring every 15, 12 and 30 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  24. 24.12 : 3 = 72 : ?
  25. 25.Divide ₹175 between Aditya and Diya in the ratio 2 : 5. How much does Aditya get (in ₹)?
  26. 26.3/7 of 77 + 3 × 8 =
  27. 27.Which of these numbers divides exactly by 3? (a) 1115 (b) 3149 (c) 1365 (d) 8795
  28. 28.The ratio of boys to girls in a class is 9 : 1. There are 54 boys. How many girls are there?
  29. 29.If 8 kg of rice costs ₹256, how many kg can you buy for ₹320?
  30. 30.Find the LCM of 6 and 21.
  31. 31.Nisha scored 36 marks out of 40 in a test. What percentage did Nisha score?
  32. 32.What is 5% of 280?
  33. 33.If 8 kg of rice costs ₹360, how many kg can you buy for ₹630?
  34. 34.Which is closest to 3501 ÷ 49? (a) 700 (b) 140 (c) 70 (d) 35
  35. 35.Which of these numbers divides exactly by 11? (a) 1134 (b) 2031 (c) 1804 (d) 7316
  36. 36.Priya scored 17 marks out of 25 in a test. What percentage did Priya score?
  37. 37.A hostel has enough food for 9 students for 20 days. How many days will the same food last for 6 students?
  38. 38.If 8 pencil boxes cost ₹320, how much do 18 pencil boxes cost (in ₹)?
  39. 39.Find the LCM of 15, 4 and 3.
  40. 40.Find the HCF of 56 and 32.

Answer key

  1. 7
  2. 10
  3. 2
  4. 6
  5. 20
  6. 1300
  7. 20
  8. 3/22
  9. 4.5
  10. 73
  11. 30
  12. 2
  13. 22/15
  14. 100
  15. 96
  16. 5
  17. 8152
  18. 85
  19. 20
  20. 5
  21. 5
  22. 83
  23. 60
  24. 18
  25. 50
  26. 57
  27. 1365
  28. 6
  29. 10
  30. 42
  31. 90
  32. 14
  33. 14
  34. 70
  35. 1804
  36. 68
  37. 30
  38. 720
  39. 60
  40. 8

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