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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 54 · 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.Divide ₹324 between Ananya and Tara in the ratio 8 : 1. How much does Tara get (in ₹)?
  2. 2.Round 34.67 to one decimal place. =
  3. 3.Round 91356 to the nearest thousand.
  4. 4.What is the smallest number you must add to 318 so that it divides exactly by 13?
  5. 5.4 : 5 = 12 : ?
  6. 6.A hall floor is 210 cm long and 120 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  7. 7.A hostel has enough food for 6 students for 25 days. How many days will the same food last for 10 students?
  8. 8.If 2 mangoes cost ₹8, how much do 20 mangoes cost (in ₹)?
  9. 9.What is the smallest number you must add to 780 so that it divides exactly by 9?
  10. 10.Arjun takes 80 seconds and Tara 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?
  11. 11.If 4 kg of rice costs ₹252, how many kg can you buy for ₹504?
  12. 12.A hall floor is 240 cm long and 200 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  13. 13.5 : 15 = 45 : ?
  14. 14.Kabir takes 36 seconds and Saanvi 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?
  15. 15.3 : 11 = 9 : ?
  16. 16.60% of a number is 153. What is the number?
  17. 17.A car goes 20 km on 2 litres of petrol. How far can it go on 16 litres (in km)?
  18. 18.15% of a number is 21. What is the number?
  19. 19.What percent of 25 is 20?
  20. 20.Which of these numbers divides exactly by 4? (a) 1060 (b) 3287 (c) 3685 (d) 1877
  21. 21.2 : 4 = 6 : ?
  22. 22.Round 22196 to the nearest ten.
  23. 23.Round 78.17 to one decimal place. =
  24. 24.Find the smallest number bigger than 15 that leaves a remainder of 1 when divided by 5, 8 or 15.
  25. 25.Round 25.77 to one decimal place. =
  26. 26.7 × (19 − 3) + 20 ÷ 5 =
  27. 27.What is 12% of 450?
  28. 28.Write 1/2 as a percent.
  29. 29.Find the LCM of 4 and 5.
  30. 30.Two tanks hold 80 litres and 200 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  31. 31.What is the smallest number you must add to 910 so that it divides exactly by 11?
  32. 32.What is the smallest number you must take away from 365 so that it divides exactly by 6?
  33. 33.How many factors does 28 have?
  34. 34.Find the LCM of 27 and 24.
  35. 35.Which of these numbers divides exactly by 8? (a) 7258 (b) 2752 (c) 7863 (d) 5290
  36. 36.3/5 + 1/8 =
  37. 37.Which is closest to 2693 ÷ 29? (a) 90 (b) 900 (c) 180 (d) 45
  38. 38.1.25 + 1.3 =
  39. 39.Which of these numbers divides exactly by 4? (a) 1076 (b) 6638 (c) 4593 (d) 2827
  40. 40.Which is closest to 595 ÷ 19? (a) 15 (b) 30 (c) 60 (d) 300

Answer key

  1. 36
  2. 34.7
  3. 91000
  4. 7
  5. 15
  6. 28
  7. 15
  8. 80
  9. 3
  10. 720
  11. 8
  12. 30
  13. 135
  14. 180
  15. 33
  16. 255
  17. 160
  18. 140
  19. 80
  20. 1060
  21. 12
  22. 22200
  23. 78.2
  24. 121
  25. 25.8
  26. 116
  27. 54
  28. 50
  29. 20
  30. 40
  31. 3
  32. 5
  33. 6
  34. 216
  35. 2752
  36. 29/40
  37. 90
  38. 2.55
  39. 1076
  40. 30

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