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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 198 · 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.Kabir scored 13 marks out of 25 in a test. What percentage did Kabir score?
  2. 2.1.1 × 8 =
  3. 3.6 ÷ 2 × 4 + 6 =
  4. 4.3 painters can paint a school in 9 days. How many days would 9 painters take, working at the same speed?
  5. 5.Find the LCM of 5 and 9.
  6. 6.Which is closest to 103 + 704 + 296? (a) 1100 (b) 1000 (c) 1200 (d) 1300
  7. 7.What percent of 25 is 21?
  8. 8.8.8 × 7 =
  9. 9.What is 25% of 504?
  10. 10.50% of a number is 18. What is the number?
  11. 11.Find the smallest number bigger than 12 that leaves a remainder of 7 when divided by 9, 12 or 10.
  12. 12.Two tanks hold 90 litres and 135 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  13. 13.A car goes 45 km on 5 litres of petrol. How far can it go on 19 litres (in km)?
  14. 14.What is 5/9 of 261 kg?
  15. 15.Saanvi takes 45 seconds and Karan takes 40 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?
  16. 16.How many factors does 33 have?
  17. 17.If 10 mangoes cost ₹440, how much do 12 mangoes cost (in ₹)?
  18. 18.(7 + 16) × 2 − 26 =
  19. 19.Two tanks hold 225 litres and 135 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  20. 20.Find the HCF of 84 and 60.
  21. 21.Two tanks hold 80 litres and 70 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  22. 22.Which is closest to 599 × 60? (Round each number first.) (a) 3600 (b) 36000 (c) 72000 (d) 360000
  23. 23.5 × (10 − 1) + 12 ÷ 3 =
  24. 24.17.6 ÷ 2 =
  25. 25.How many factors does 96 have?
  26. 26.Which is closest to 1805 ÷ 21? (a) 180 (b) 45 (c) 900 (d) 90
  27. 27.3/6 − 1/3 =
  28. 28.Divide ₹273 between Kabir and Isha in the ratio 1 : 6. How much does Kabir get (in ₹)?
  29. 29.Find the LCM of 8 and 6.
  30. 30.18 ÷ 9 × 7 + 18 =
  31. 31.Find the LCM of 6 and 9.
  32. 32.What is 1/3 of 21 km?
  33. 33.Which is closest to 898 + 796 + 795? (a) 2600 (b) 2700 (c) 2400 (d) 2500
  34. 34.Round 73.72 to one decimal place. =
  35. 35.What is 2/3 of ₹24?
  36. 36.What is 30% of 490?
  37. 37.Which is closest to 203 + 803 + 902? (a) 2000 (b) 1900 (c) 2100 (d) 1800
  38. 38.15% of a number is 75. What is the number?
  39. 39.50% of a number is 81. What is the number?
  40. 40.How many factors does 66 have?

Answer key

  1. 52
  2. 8.8
  3. 18
  4. 3
  5. 45
  6. 1100
  7. 84
  8. 61.6
  9. 126
  10. 36
  11. 187
  12. 45
  13. 171
  14. 145
  15. 360
  16. 4
  17. 528
  18. 20
  19. 45
  20. 12
  21. 10
  22. 36000
  23. 49
  24. 8.8
  25. 12
  26. 90
  27. 1/6
  28. 39
  29. 24
  30. 32
  31. 18
  32. 7
  33. 2500
  34. 73.7
  35. 16
  36. 147
  37. 1900
  38. 500
  39. 162
  40. 8

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