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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 403 · 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. 1.35.4 ÷ 6 =
  2. 2.A car goes 54 km on 3 litres of petrol. How far can it go on 21 litres (in km)?
  3. 3.1/3 of 24 + 4 × 4 =
  4. 4.Find the smallest number bigger than 15 that leaves a remainder of 2 when divided by 12, 15 or 6.
  5. 5.Divide ₹128 between Sneha and Arjun in the ratio 3 : 5. How much does Sneha get (in ₹)?
  6. 6.Find the smallest number bigger than 10 that leaves a remainder of 2 when divided by 3, 10 or 9.
  7. 7.Which is closest to 402 × 90? (Round each number first.) (a) 3600 (b) 72000 (c) 360000 (d) 36000
  8. 8.Round 50262 to the nearest ten.
  9. 9.12 painters can paint a school in 24 days. How many days would 6 painters take, working at the same speed?
  10. 10.Which is closest to 3207 ÷ 39? (a) 80 (b) 40 (c) 160 (d) 800
  11. 11.What percent of 25 is 8?
  12. 12.1/6 + 7/9 =
  13. 13.What is the smallest number you must take away from 870 so that it divides exactly by 8?
  14. 14.What is 12% of 225?
  15. 15.Write 1/10 as a percent.
  16. 16.Round 86901 to the nearest ten.
  17. 17.2 : 10 = 14 : ?
  18. 18.Ananya takes 30 seconds and Diya takes 75 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?
  19. 19.Find the LCM of 6 and 15.
  20. 20.Which is closest to 2098 ÷ 31? (a) 700 (b) 70 (c) 140 (d) 35
  21. 21.Find the smallest number bigger than 15 that leaves a remainder of 3 when divided by 15, 4 or 6.
  22. 22.Write 9/20 as a percent.
  23. 23.Find the LCM of 7, 14 and 10.
  24. 24.Find the LCM of 2, 7 and 4.
  25. 25.A car goes 198 km on 11 litres of petrol. How far can it go on 36 litres (in km)?
  26. 26.Three temple bells ring every 6, 24 and 5 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  27. 27.What is the smallest number you must add to 194 so that it divides exactly by 4?
  28. 28.Find the HCF of 40 and 48.
  29. 29.Divide ₹648 between Sneha and Ananya in the ratio 5 : 7. How much does Sneha get (in ₹)?
  30. 30.What is 5% of 520?
  31. 31.29 + 5 × 11 − 16 =
  32. 32.Manav takes 48 seconds and Isha takes 54 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.Which is closest to 101 + 104 + 401? (a) 800 (b) 700 (c) 600 (d) 500
  34. 34.A hostel has enough food for 10 students for 8 days. How many days will the same food last for 4 students?
  35. 35.Find the HCF of 24 and 9.
  36. 36.What is 1/6 of ₹180?
  37. 37.Which is closest to 95 + 296 + 805? (a) 1100 (b) 1400 (c) 1300 (d) 1200
  38. 38.12 ÷ 6 × 6 + 25 =
  39. 39.Find the smallest number bigger than 12 that leaves a remainder of 2 when divided by 5, 12 or 9.
  40. 40.Three temple bells ring every 5, 24 and 20 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?

Answer key

  1. 5.9
  2. 378
  3. 24
  4. 62
  5. 48
  6. 92
  7. 36000
  8. 50260
  9. 48
  10. 80
  11. 32
  12. 17/18
  13. 6
  14. 27
  15. 10
  16. 86900
  17. 70
  18. 150
  19. 30
  20. 70
  21. 63
  22. 45
  23. 70
  24. 28
  25. 648
  26. 120
  27. 2
  28. 8
  29. 270
  30. 26
  31. 68
  32. 432
  33. 600
  34. 20
  35. 3
  36. 30
  37. 1200
  38. 37
  39. 182
  40. 120

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