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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 756 · 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.What is 120% of 465?
  2. 2.3 : 6 = 18 : ?
  3. 3.If 4 kg of rice costs ₹140, how many kg can you buy for ₹455?
  4. 4.18 ÷ 9 × 5 + 26 =
  5. 5.(17 + 18) × 5 − 3 =
  6. 6.What percent of 200 is 54?
  7. 7.A car goes 78 km on 6 litres of petrol. How far can it go on 20 litres (in km)?
  8. 8.What is the smallest number you must take away from 269 so that it divides exactly by 4?
  9. 9.1/2 of 20 + 7 × 8 =
  10. 10.2/5 of 30 + 3 × 9 =
  11. 11.What is 75% of 452?
  12. 12.Find the HCF of 91 and 78.
  13. 13.31.5 ÷ 5 =
  14. 14.What is the smallest number you must add to 456 so that it divides exactly by 13?
  15. 15.A hall floor is 350 cm long and 100 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  16. 16.Find the LCM of 9, 15 and 10.
  17. 17.What is the smallest number you must take away from 560 so that it divides exactly by 9?
  18. 18.How many factors does 89 have?
  19. 19.What is the smallest number you must take away from 403 so that it divides exactly by 9?
  20. 20.A car goes 78 km on 6 litres of petrol. How far can it go on 30 litres (in km)?
  21. 21.What percent of 400 is 192?
  22. 22.2/3 of 21 + 2 × 4 =
  23. 23.Which is closest to 1496 ÷ 51? (a) 300 (b) 60 (c) 15 (d) 30
  24. 24.1.3 × 9 =
  25. 25.59 − 36 ÷ 6 × 6 =
  26. 26.Write 27/50 as a percent.
  27. 27.A car goes 45 km on 3 litres of petrol. How far can it go on 35 litres (in km)?
  28. 28.13 + 12 × 10 − 7 =
  29. 29.What is the smallest number you must add to 303 so that it divides exactly by 11?
  30. 30.What is 12% of 300?
  31. 31.44 ÷ 5 =
  32. 32.56 ÷ 7 × 5 + 7 =
  33. 33.The HCF of two numbers is 7 and their LCM is 294. One of the numbers is 42. What is the other number?
  34. 34.3/4 + 4/5 =
  35. 35.The ratio of boys to girls in a class is 1 : 5. There are 4 boys. How many girls are there?
  36. 36.A hostel has enough food for 7 students for 11 days. How many days will the same food last for 11 students?
  37. 37.Diya takes 90 seconds and Pooja takes 72 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?
  38. 38.Two tanks hold 75 litres and 50 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  39. 39.Which of these numbers divides exactly by 11? (a) 2281 (b) 1485 (c) 8764 (d) 7091
  40. 40.Divide ₹261 between Manav and Karan in the ratio 2 : 7. How much does Karan get (in ₹)?

Answer key

  1. 558
  2. 36
  3. 13
  4. 36
  5. 172
  6. 27
  7. 260
  8. 1
  9. 66
  10. 39
  11. 339
  12. 13
  13. 6.3
  14. 12
  15. 14
  16. 90
  17. 2
  18. 2
  19. 7
  20. 390
  21. 48
  22. 22
  23. 30
  24. 11.7
  25. 23
  26. 54
  27. 525
  28. 126
  29. 5
  30. 36
  31. 8.8
  32. 47
  33. 49
  34. 31/20
  35. 20
  36. 7
  37. 360
  38. 25
  39. 1485
  40. 203

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