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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 817 · 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.The ratio of boys to girls in a class is 1 : 7. There are 10 boys. How many girls are there?
  2. 2.Round 57266 to the nearest thousand.
  3. 3.Find the third proportional to 5 and 15 (that is, 5 : 15 = 15 : ?).
  4. 4.Find the smallest number bigger than 6 that leaves a remainder of 1 when divided by 6, 4 or 3.
  5. 5.Find the HCF of 135 and 60.
  6. 6.3/5 of 55 + 5 × 6 =
  7. 7.What is the smallest number you must add to 397 so that it divides exactly by 7?
  8. 8.Round 34377 to the nearest thousand.
  9. 9.Kabir scored 23 marks out of 25 in a test. What percentage did Kabir score?
  10. 10.Find the smallest number bigger than 15 that leaves a remainder of 2 when divided by 8, 15 or 3.
  11. 11.Which is closest to 602 + 798 + 603? (a) 2200 (b) 1900 (c) 2100 (d) 2000
  12. 12.Which is closest to 100 + 795 + 501? (a) 1600 (b) 1300 (c) 1400 (d) 1500
  13. 13.150% of a number is 201. What is the number?
  14. 14.Round 89.32 to one decimal place. =
  15. 15.How many factors does 62 have?
  16. 16.Divide ₹450 between Ishaan and Rahul in the ratio 7 : 3. How much does Ishaan get (in ₹)?
  17. 17.Round 98.76 to one decimal place. =
  18. 18.What percent of 25 is 19?
  19. 19.Find the HCF of 25 and 35.
  20. 20.Write 3/4 as a percent.
  21. 21.34.4 ÷ 4 =
  22. 22.What is the smallest number you must take away from 899 so that it divides exactly by 4?
  23. 23.The ratio of boys to girls in a class is 2 : 3. There are 20 boys. How many girls are there?
  24. 24.Divide ₹232 between Manav and Arjun in the ratio 7 : 1. How much does Manav get (in ₹)?
  25. 25.Which of these numbers divides exactly by 4? (a) 1754 (b) 7184 (c) 8111 (d) 7127
  26. 26.Find the LCM of 21 and 15.
  27. 27.What is the smallest number you must add to 937 so that it divides exactly by 4?
  28. 28.If 8 kg of rice costs ₹552, how many kg can you buy for ₹759?
  29. 29.60 ÷ 5 × 3 + 18 =
  30. 30.What is 1/3 of 18 km?
  31. 31.Find the smallest number bigger than 15 that leaves a remainder of 2 when divided by 5, 4 or 15.
  32. 32.Aditya scored 8 marks out of 80 in a test. What percentage did Aditya score?
  33. 33.Which is closest to 2499 ÷ 49? (a) 25 (b) 500 (c) 100 (d) 50
  34. 34.Find the third proportional to 4 and 20 (that is, 4 : 20 = 20 : ?).
  35. 35.If 4 kg of rice costs ₹224, how many kg can you buy for ₹728?
  36. 36.Divide ₹385 between Vivaan and Dev in the ratio 2 : 9. How much does Vivaan get (in ₹)?
  37. 37.What is 40% of 30?
  38. 38.Find the HCF of 24 and 9.
  39. 39.Three temple bells ring every 12, 4 and 9 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  40. 40.Which is closest to 903 × 68? (Round each number first.) (a) 6300 (b) 630000 (c) 126000 (d) 63000

Answer key

  1. 70
  2. 57000
  3. 45
  4. 13
  5. 15
  6. 63
  7. 2
  8. 34000
  9. 92
  10. 122
  11. 2000
  12. 1400
  13. 134
  14. 89.3
  15. 4
  16. 315
  17. 98.8
  18. 76
  19. 5
  20. 75
  21. 8.6
  22. 3
  23. 30
  24. 203
  25. 7184
  26. 105
  27. 3
  28. 11
  29. 54
  30. 6
  31. 62
  32. 10
  33. 50
  34. 100
  35. 13
  36. 70
  37. 12
  38. 3
  39. 36
  40. 63000

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