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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 882 · 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.Round 89294 to the nearest hundred.
  2. 2.Round 25402 to the nearest hundred.
  3. 3.1/2 + 3/4 =
  4. 4.150% of a number is 474. What is the number?
  5. 5.Which of these numbers divides exactly by 8? (a) 2665 (b) 6368 (c) 9837 (d) 3571
  6. 6.What is 4/5 of 100 students?
  7. 7.30% of a number is 96. What is the number?
  8. 8.Which of these numbers divides exactly by 8? (a) 6279 (b) 1903 (c) 4960 (d) 8943
  9. 9.Which is closest to 1008 ÷ 19? (a) 25 (b) 50 (c) 500 (d) 100
  10. 10.4/10 − 3/8 =
  11. 11.83 − 64 ÷ 8 × 7 =
  12. 12.Round 68.09 to one decimal place. =
  13. 13.Divide ₹324 between Ananya and Arjun in the ratio 1 : 8. How much does Ananya get (in ₹)?
  14. 14.Arjun takes 45 seconds and Kabir takes 72 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?
  15. 15.What is the smallest number you must take away from 134 so that it divides exactly by 8?
  16. 16.50 − 15 ÷ 5 × 9 =
  17. 17.4.2 × 5 =
  18. 18.3 : 10 = 9 : ?
  19. 19.3.3 ÷ 3 =
  20. 20.3 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
  21. 21.If 6 kg of rice costs ₹306, how many kg can you buy for ₹153?
  22. 22.What is the smallest number you must add to 518 so that it divides exactly by 6?
  23. 23.Find the smallest number bigger than 9 that leaves a remainder of 2 when divided by 5, 9 or 3.
  24. 24.What is 80% of 240?
  25. 25.What percent of 25 is 4?
  26. 26.4.67 + 8.2 =
  27. 27.If 5 kg of rice costs ₹425, how many kg can you buy for ₹255?
  28. 28.Two tanks hold 80 litres and 360 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  29. 29.Find the HCF of 27 and 12.
  30. 30.2 painters can paint a school in 19 days. How many days would 19 painters take, working at the same speed?
  31. 31.79 − 30 ÷ 5 × 7 =
  32. 32.How many factors does 26 have?
  33. 33.What percent of 25 is 23?
  34. 34.Find the LCM of 10 and 6.
  35. 35.Which is closest to 803 × 79? (Round each number first.) (a) 640000 (b) 6400 (c) 64000 (d) 128000
  36. 36.If 2 kg of rice costs ₹52, how many kg can you buy for ₹208?
  37. 37.Three temple bells ring every 6, 8 and 10 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  38. 38.36 + 8 × 4 − 34 =
  39. 39.5% of a number is 23. What is the number?
  40. 40.A hall floor is 150 cm long and 125 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?

Answer key

  1. 89300
  2. 25400
  3. 5/4
  4. 316
  5. 6368
  6. 80
  7. 320
  8. 4960
  9. 50
  10. 1/40
  11. 27
  12. 68.1
  13. 36
  14. 360
  15. 6
  16. 23
  17. 21
  18. 30
  19. 1.1
  20. 3
  21. 3
  22. 4
  23. 47
  24. 192
  25. 16
  26. 12.87
  27. 3
  28. 40
  29. 3
  30. 2
  31. 37
  32. 4
  33. 92
  34. 30
  35. 64000
  36. 8
  37. 120
  38. 34
  39. 460
  40. 30

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