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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 545 · 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.Round 46.93 to one decimal place. =
  2. 2.Find the smallest number bigger than 8 that leaves a remainder of 2 when divided by 3, 4 or 8.
  3. 3.A car goes 165 km on 11 litres of petrol. How far can it go on 26 litres (in km)?
  4. 4.How many factors does 18 have?
  5. 5.5 × (23 − 9) + 88 ÷ 8 =
  6. 6.Two tanks hold 450 litres and 250 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  7. 7.Find the LCM of 3, 4 and 2.
  8. 8.A hostel has enough food for 3 students for 21 days. How many days will the same food last for 9 students?
  9. 9.Manav scored 4 marks out of 25 in a test. What percentage did Manav score?
  10. 10.1/6 + 11/12 =
  11. 11.4.96 + 2.6 =
  12. 12.Two tanks hold 40 litres and 140 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  13. 13.What is the smallest number you must add to 869 so that it divides exactly by 4?
  14. 14.Divide ₹799 between Ananya and Ishaan in the ratio 8 : 9. How much does Ananya get (in ₹)?
  15. 15.A hall floor is 125 cm long and 50 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  16. 16.Round 56.84 to one decimal place. =
  17. 17.Which is closest to 2399 ÷ 41? (a) 60 (b) 120 (c) 30 (d) 600
  18. 18.4 : 13 = 8 : ?
  19. 19.Find the smallest number bigger than 15 that leaves a remainder of 1 when divided by 15, 6 or 8.
  20. 20.3 : 5 = 18 : ?
  21. 21.What is the smallest number you must add to 525 so that it divides exactly by 11?
  22. 22.The ratio of boys to girls in a class is 4 : 5. There are 36 boys. How many girls are there?
  23. 23.If 4 kg of rice costs ₹224, how many kg can you buy for ₹728?
  24. 24.What is 2/5 of 125 litres?
  25. 25.Which of these numbers divides exactly by 6? (a) 7504 (b) 9156 (c) 9077 (d) 9265
  26. 26.3 : 13 = 18 : ?
  27. 27.9.6 ÷ 2 =
  28. 28.If 9 pencil boxes cost ₹441, how much do 4 pencil boxes cost (in ₹)?
  29. 29.Find the smallest number bigger than 6 that leaves a remainder of 1 when divided by 5, 3 or 6.
  30. 30.Divide ₹210 between Arjun and Karan in the ratio 3 : 2. How much does Arjun get (in ₹)?
  31. 31.What is the smallest number you must take away from 399 so that it divides exactly by 4?
  32. 32.Which is closest to 596 + 800 + 497? (a) 2100 (b) 2000 (c) 1800 (d) 1900
  33. 33.Which is closest to 98 + 303 + 595? (a) 1000 (b) 1200 (c) 900 (d) 1100
  34. 34.65.8 ÷ 7 =
  35. 35.The ratio of boys to girls in a class is 4 : 9. There are 24 boys. How many girls are there?
  36. 36.If 10 erasers cost ₹180, how much do 18 erasers cost (in ₹)?
  37. 37.How many factors does 32 have?
  38. 38.Find the smallest number bigger than 15 that leaves a remainder of 1 when divided by 4, 15 or 5.
  39. 39.If 9 kites cost ₹495, how much do 18 kites cost (in ₹)?
  40. 40.Find the smallest number bigger than 12 that leaves a remainder of 1 when divided by 9, 12 or 8.

Answer key

  1. 46.9
  2. 26
  3. 390
  4. 6
  5. 81
  6. 50
  7. 12
  8. 7
  9. 16
  10. 13/12
  11. 7.56
  12. 20
  13. 3
  14. 376
  15. 10
  16. 56.8
  17. 60
  18. 26
  19. 121
  20. 30
  21. 3
  22. 45
  23. 13
  24. 50
  25. 9156
  26. 78
  27. 4.8
  28. 196
  29. 31
  30. 126
  31. 3
  32. 1900
  33. 1000
  34. 9.4
  35. 54
  36. 324
  37. 6
  38. 61
  39. 990
  40. 73

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