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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 556 · 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 697 + 101 + 205? (a) 1200 (b) 1100 (c) 1000 (d) 900
  2. 2.If 9 kites cost ₹468, how much do 4 kites cost (in ₹)?
  3. 3.Which is closest to 296 × 50? (Round each number first.) (a) 1500 (b) 150000 (c) 30000 (d) 15000
  4. 4.Zoya takes 75 seconds and Kabir 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?
  5. 5.Divide ₹496 between Ananya and Kabir in the ratio 7 : 9. How much does Ananya get (in ₹)?
  6. 6.If 5 pencil boxes cost ₹115, how much do 19 pencil boxes cost (in ₹)?
  7. 7.Two tanks hold 105 litres and 120 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  8. 8.40 − 63 ÷ 7 × 2 =
  9. 9.How many factors does 24 have?
  10. 10.What percent of 400 is 24?
  11. 11.Find the smallest number bigger than 10 that leaves a remainder of 3 when divided by 10, 8 or 5.
  12. 12.What is the smallest number you must take away from 302 so that it divides exactly by 11?
  13. 13.47 + 6 × 2 − 21 =
  14. 14.Write 23/25 as a percent.
  15. 15.8.5 × 9 =
  16. 16.A hall floor is 200 cm long and 125 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  17. 17.Manav scored 8 marks out of 40 in a test. What percentage did Manav score?
  18. 18.Which is closest to 600 ÷ 19? (a) 15 (b) 300 (c) 60 (d) 30
  19. 19.What is the smallest number you must take away from 373 so that it divides exactly by 9?
  20. 20.Find the smallest number bigger than 12 that leaves a remainder of 1 when divided by 5, 12 or 9.
  21. 21.A car goes 30 km on 2 litres of petrol. How far can it go on 13 litres (in km)?
  22. 22.If 5 kg of rice costs ₹200, how many kg can you buy for ₹440?
  23. 23.34 + 8 × 11 − 14 =
  24. 24.What is the smallest number you must add to 234 so that it divides exactly by 11?
  25. 25.1.19 + 1.8 =
  26. 26.Round 39.59 to one decimal place. =
  27. 27.If 2 kg of rice costs ₹142, how many kg can you buy for ₹568?
  28. 28.Which is closest to 202 + 496 + 395? (a) 1100 (b) 1300 (c) 1000 (d) 1200
  29. 29.If 2 pencil boxes cost ₹54, how much do 8 pencil boxes cost (in ₹)?
  30. 30.Round 41.51 to one decimal place. =
  31. 31.Find the LCM of 14, 9 and 6.
  32. 32.Find the smallest number bigger than 12 that leaves a remainder of 2 when divided by 12, 3 or 9.
  33. 33.Which is closest to 404 + 95 + 300? (a) 900 (b) 700 (c) 800 (d) 1000
  34. 34.Write 9/20 as a percent.
  35. 35.12 painters can paint a school in 20 days. How many days would 4 painters take, working at the same speed?
  36. 36.Find the LCM of 6, 3 and 12.
  37. 37.Find the LCM of 12 and 14.
  38. 38.Which is closest to 497 × 72? (Round each number first.) (a) 35000 (b) 3500 (c) 70000 (d) 350000
  39. 39.Round 97395 to the nearest hundred.
  40. 40.A car goes 176 km on 11 litres of petrol. How far can it go on 24 litres (in km)?

Answer key

  1. 1000
  2. 208
  3. 15000
  4. 150
  5. 217
  6. 437
  7. 15
  8. 22
  9. 8
  10. 6
  11. 43
  12. 5
  13. 38
  14. 92
  15. 76.5
  16. 40
  17. 20
  18. 30
  19. 4
  20. 181
  21. 195
  22. 11
  23. 108
  24. 8
  25. 2.99
  26. 39.6
  27. 8
  28. 1100
  29. 216
  30. 41.5
  31. 126
  32. 38
  33. 800
  34. 45
  35. 60
  36. 12
  37. 84
  38. 35000
  39. 97400
  40. 384

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