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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 964 · 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. 1.6 ÷ 3 × 3 + 21 =
  2. 2.Which is closest to 300 × 62? (Round each number first.) (a) 1800 (b) 180000 (c) 36000 (d) 18000
  3. 3.What is the smallest number you must take away from 282 so that it divides exactly by 11?
  4. 4.30% of a number is 12. What is the number?
  5. 5.What is 1/7 of ₹28?
  6. 6.Two tanks hold 400 litres and 250 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  7. 7.What is the smallest number you must add to 976 so that it divides exactly by 9?
  8. 8.Pooja takes 75 seconds and Karan takes 45 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?
  9. 9.Three temple bells ring every 6, 30 and 9 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  10. 10.Isha takes 30 seconds and Farhan 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?
  11. 11.Find the third proportional to 9 and 36 (that is, 9 : 36 = 36 : ?).
  12. 12.Which of these numbers divides exactly by 9? (a) 1495 (b) 6078 (c) 2966 (d) 3042
  13. 13.Find the smallest number bigger than 9 that leaves a remainder of 2 when divided by 5, 4 or 9.
  14. 14.A hall floor is 315 cm long and 225 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  15. 15.Round 43.83 to one decimal place. =
  16. 16.What is 10% of 490?
  17. 17.Aarav scored 18 marks out of 20 in a test. What percentage did Aarav score?
  18. 18.50% of a number is 256. What is the number?
  19. 19.7/11 + 3/5 =
  20. 20.If 4 kg of rice costs ₹240, how many kg can you buy for ₹780?
  21. 21.10/11 − 1/3 =
  22. 22.5/7 − 5/11 =
  23. 23.A car goes 55 km on 5 litres of petrol. How far can it go on 19 litres (in km)?
  24. 24.4 painters can paint a school in 8 days. How many days would 8 painters take, working at the same speed?
  25. 25.Find the HCF of 8 and 36.
  26. 26.A hall floor is 210 cm long and 60 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  27. 27.What is the smallest number you must take away from 381 so that it divides exactly by 13?
  28. 28.17.2 ÷ 2 =
  29. 29.5/12 − 1/9 =
  30. 30.Rohan scored 11 marks out of 20 in a test. What percentage did Rohan score?
  31. 31.Find the smallest number bigger than 9 that leaves a remainder of 1 when divided by 9, 8 or 4.
  32. 32.What is the smallest number you must add to 354 so that it divides exactly by 9?
  33. 33.Find the LCM of 2, 13 and 6.
  34. 34.Which of these numbers divides exactly by 11? (a) 8530 (b) 6517 (c) 3508 (d) 8129
  35. 35.(4 + 19) × 2 − 29 =
  36. 36.8.6 × 9 =
  37. 37.15% of a number is 3. What is the number?
  38. 38.Write 1/2 as a percent.
  39. 39.Write 1/4 as a percent.
  40. 40.Round 34.14 to one decimal place. =

Answer key

  1. 27
  2. 18000
  3. 7
  4. 40
  5. 4
  6. 50
  7. 5
  8. 225
  9. 90
  10. 360
  11. 144
  12. 3042
  13. 182
  14. 35
  15. 43.8
  16. 49
  17. 90
  18. 512
  19. 68/55
  20. 13
  21. 19/33
  22. 20/77
  23. 209
  24. 4
  25. 4
  26. 14
  27. 4
  28. 8.6
  29. 11/36
  30. 55
  31. 73
  32. 6
  33. 78
  34. 8129
  35. 17
  36. 77.4
  37. 20
  38. 50
  39. 25
  40. 34.1

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