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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 913 · 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.Divide ₹172 between Isha and Karan in the ratio 1 : 3. How much does Karan get (in ₹)?
  2. 2.What percent of 50 is 13?
  3. 3.15 + 5 × 10 − 3 =
  4. 4.2/10 + 1/2 =
  5. 5.Find the LCM of 15, 3 and 12.
  6. 6.Find the HCF of 49 and 56.
  7. 7.Three temple bells ring every 5, 18 and 30 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  8. 8.Which of these numbers divides exactly by 3? (a) 4525 (b) 4294 (c) 6481 (d) 8577
  9. 9.What percent of 50 is 12?
  10. 10.Two tanks hold 120 litres and 270 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  11. 11.Manav scored 2 marks out of 50 in a test. What percentage did Manav score?
  12. 12.Which is closest to 2494 ÷ 51? (a) 50 (b) 100 (c) 500 (d) 25
  13. 13.The HCF of two numbers is 2 and their LCM is 90. One of the numbers is 18. What is the other number?
  14. 14.If 10 notebooks cost ₹180, how much do 11 notebooks cost (in ₹)?
  15. 15.Three temple bells ring every 5, 12 and 6 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  16. 16.Which of these numbers divides exactly by 6? (a) 1927 (b) 5520 (c) 4330 (d) 6217
  17. 17.21 + 9 × 7 − 21 =
  18. 18.If 2 kites cost ₹80, how much do 10 kites cost (in ₹)?
  19. 19.What is the smallest number you must add to 232 so that it divides exactly by 3?
  20. 20.If 6 kg of rice costs ₹474, how many kg can you buy for ₹237?
  21. 21.Find the HCF of 120 and 45.
  22. 22.If 7 pencil boxes cost ₹21, how much do 19 pencil boxes cost (in ₹)?
  23. 23.Kabir scored 10 marks out of 20 in a test. What percentage did Kabir score?
  24. 24.35 − 14 ÷ 2 × 3 =
  25. 25.80 ÷ 8 × 6 + 26 =
  26. 26.1/7 of 35 + 7 × 9 =
  27. 27.A car goes 24 km on 2 litres of petrol. How far can it go on 21 litres (in km)?
  28. 28.Write 9/10 as a percent.
  29. 29.18 + 2 × 10 − 4 =
  30. 30.Round 24.39 to one decimal place. =
  31. 31.Find the smallest number bigger than 12 that leaves a remainder of 4 when divided by 9, 12 or 5.
  32. 32.5 : 11 = 25 : ?
  33. 33.What is the smallest number you must add to 471 so that it divides exactly by 9?
  34. 34.Find the HCF of 66 and 55.
  35. 35.7 : 10 = 14 : ?
  36. 36.Which is closest to 501 × 28? (Round each number first.) (a) 30000 (b) 15000 (c) 1500 (d) 150000
  37. 37.4/8 × 1/3 =
  38. 38.If 2 kg of rice costs ₹118, how many kg can you buy for ₹885?
  39. 39.Which is closest to 496 × 59? (Round each number first.) (a) 300000 (b) 3000 (c) 60000 (d) 30000
  40. 40.What is 60% of 455?

Answer key

  1. 129
  2. 26
  3. 62
  4. 7/10
  5. 60
  6. 7
  7. 90
  8. 8577
  9. 24
  10. 30
  11. 4
  12. 50
  13. 10
  14. 198
  15. 60
  16. 5520
  17. 63
  18. 400
  19. 2
  20. 3
  21. 15
  22. 57
  23. 50
  24. 14
  25. 86
  26. 68
  27. 252
  28. 90
  29. 34
  30. 24.4
  31. 184
  32. 55
  33. 6
  34. 11
  35. 20
  36. 15000
  37. 1/6
  38. 15
  39. 30000
  40. 273

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