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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 493 · 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.Kavya scored 38 marks out of 40 in a test. What percentage did Kavya score?
  2. 2.Find the smallest number bigger than 5 that leaves a remainder of 2 when divided by 3, 5 or 4.
  3. 3.13 + 8 × 11 − 4 =
  4. 4.49 ÷ 7 × 9 + 21 =
  5. 5.If 2 pencil boxes cost ₹26, how much do 8 pencil boxes cost (in ₹)?
  6. 6.Find the third proportional to 2 and 8 (that is, 2 : 8 = 8 : ?).
  7. 7.A hostel has enough food for 8 students for 10 days. How many days will the same food last for 20 students?
  8. 8.Find the HCF of 10 and 16.
  9. 9.28 + 2 × 10 − 9 =
  10. 10.What is 5% of 260?
  11. 11.How many factors does 56 have?
  12. 12.7.02 + 2.5 =
  13. 13.Round 40.36 to one decimal place. =
  14. 14.4.8 × 4 =
  15. 15.Write 18/25 as a percent.
  16. 16.Find the LCM of 8 and 6.
  17. 17.A car goes 48 km on 6 litres of petrol. How far can it go on 20 litres (in km)?
  18. 18.Which of these numbers divides exactly by 11? (a) 4895 (b) 7503 (c) 3797 (d) 6539
  19. 19.1/2 − 2/5 =
  20. 20.Ananya scored 19 marks out of 20 in a test. What percentage did Ananya score?
  21. 21.9.64 + 6.7 =
  22. 22.What is the smallest number you must add to 391 so that it divides exactly by 3?
  23. 23.If 3 kg of rice costs ₹168, how many kg can you buy for ₹728?
  24. 24.Which is closest to 497 + 97 + 597? (a) 1300 (b) 1100 (c) 1200 (d) 1400
  25. 25.What is 3/8 of ₹128?
  26. 26.47 + 10 × 5 − 22 =
  27. 27.35 + 6 × 4 − 28 =
  28. 28.Find the LCM of 32 and 20.
  29. 29.Kavya takes 80 seconds and Karan takes 90 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?
  30. 30.Find the LCM of 5 and 9.
  31. 31.A hall floor is 150 cm long and 60 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  32. 32.What is the smallest number you must take away from 903 so that it divides exactly by 4?
  33. 33.Find the LCM of 30 and 24.
  34. 34.A car goes 32 km on 4 litres of petrol. How far can it go on 39 litres (in km)?
  35. 35.Which is closest to 703 × 68? (Round each number first.) (a) 490000 (b) 4900 (c) 49000 (d) 98000
  36. 36.Sneha takes 90 seconds and Kavya 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?
  37. 37.A hall floor is 80 cm long and 60 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  38. 38.Find the LCM of 18 and 12.
  39. 39.What is the smallest number you must add to 431 so that it divides exactly by 11?
  40. 40.Divide ₹378 between Manav and Saanvi in the ratio 9 : 5. How much does Saanvi get (in ₹)?

Answer key

  1. 95
  2. 62
  3. 97
  4. 84
  5. 104
  6. 32
  7. 4
  8. 2
  9. 39
  10. 13
  11. 8
  12. 9.52
  13. 40.4
  14. 19.2
  15. 72
  16. 24
  17. 160
  18. 4895
  19. 1/10
  20. 95
  21. 16.34
  22. 2
  23. 13
  24. 1200
  25. 48
  26. 75
  27. 31
  28. 160
  29. 720
  30. 45
  31. 10
  32. 3
  33. 120
  34. 312
  35. 49000
  36. 180
  37. 12
  38. 36
  39. 9
  40. 135

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