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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 891 · 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.Which is closest to 903 + 299 + 502? (a) 1600 (b) 1800 (c) 1900 (d) 1700
  2. 2.Round 47.94 to one decimal place. =
  3. 3.Round 35.48 to one decimal place. =
  4. 4.What is the smallest number you must take away from 681 so that it divides exactly by 12?
  5. 5.If 4 kg of rice costs ₹320, how many kg can you buy for ₹1120?
  6. 6.1/3 + 1/9 =
  7. 7.Nisha takes 72 seconds and Isha takes 30 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?
  8. 8.2/7 × 6/11 =
  9. 9.The HCF of two numbers is 7 and their LCM is 84. One of the numbers is 28. What is the other number?
  10. 10.Find the LCM of 8 and 10.
  11. 11.Write 1/4 as a percent.
  12. 12.Isha takes 60 seconds and Kabir takes 36 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?
  13. 13.Write 4/5 as a percent.
  14. 14.Find the LCM of 9, 12 and 6.
  15. 15.A car goes 110 km on 10 litres of petrol. How far can it go on 17 litres (in km)?
  16. 16.37 + 3 × 6 − 2 =
  17. 17.Which is closest to 3009 ÷ 51? (a) 60 (b) 30 (c) 600 (d) 120
  18. 18.Find the LCM of 14 and 12.
  19. 19.What is the smallest number you must take away from 239 so that it divides exactly by 7?
  20. 20.5.5 × 3 =
  21. 21.Manav scored 40 marks out of 80 in a test. What percentage did Manav score?
  22. 22.Saanvi scored 28 marks out of 80 in a test. What percentage did Saanvi score?
  23. 23.Which is closest to 992 ÷ 21? (a) 25 (b) 100 (c) 50 (d) 500
  24. 24.A hostel has enough food for 6 students for 6 days. How many days will the same food last for 2 students?
  25. 25.Write 3/4 as a percent.
  26. 26.A car goes 154 km on 11 litres of petrol. How far can it go on 32 litres (in km)?
  27. 27.Round 17571 to the nearest hundred.
  28. 28.A hostel has enough food for 7 students for 23 days. How many days will the same food last for 23 students?
  29. 29.5 × (28 − 15) + 22 ÷ 2 =
  30. 30.Tara scored 13 marks out of 20 in a test. What percentage did Tara score?
  31. 31.(19 + 15) × 3 − 2 =
  32. 32.Manav takes 36 seconds and Arjun 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?
  33. 33.(4 + 3) × 9 − 6 =
  34. 34.Vivaan takes 72 seconds and Aditya takes 60 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?
  35. 35.A hall floor is 100 cm long and 80 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  36. 36.Find the smallest number bigger than 15 that leaves a remainder of 3 when divided by 15, 10 or 4.
  37. 37.Which is closest to 596 × 89? (Round each number first.) (a) 54000 (b) 540000 (c) 108000 (d) 5400
  38. 38.What percent of 25 is 17?
  39. 39.49 + 3 × 5 − 35 =
  40. 40.What is the smallest number you must take away from 826 so that it divides exactly by 11?

Answer key

  1. 1700
  2. 47.9
  3. 35.5
  4. 9
  5. 14
  6. 4/9
  7. 360
  8. 12/77
  9. 21
  10. 40
  11. 25
  12. 180
  13. 80
  14. 36
  15. 187
  16. 53
  17. 60
  18. 84
  19. 1
  20. 16.5
  21. 50
  22. 35
  23. 50
  24. 18
  25. 75
  26. 448
  27. 17600
  28. 7
  29. 76
  30. 65
  31. 100
  32. 180
  33. 57
  34. 360
  35. 20
  36. 63
  37. 54000
  38. 68
  39. 29
  40. 1

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