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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 184 · 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.Find the LCM of 2, 12 and 3.
  2. 2.A hall floor is 175 cm long and 50 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  3. 3.What is 5% of 280?
  4. 4.If 4 bottles of juice cost ₹16, how much do 11 bottles of juice cost (in ₹)?
  5. 5.What is 9/10 of 50 kg?
  6. 6.Which is closest to 95 + 203 + 395? (a) 600 (b) 700 (c) 900 (d) 800
  7. 7.Find the HCF of 25 and 35.
  8. 8.Which of these numbers divides exactly by 9? (a) 9573 (b) 2034 (c) 6618 (d) 8162
  9. 9.Find the HCF of 33 and 44.
  10. 10.The HCF of two numbers is 6 and their LCM is 72. One of the numbers is 24. What is the other number?
  11. 11.What is the smallest number you must add to 581 so that it divides exactly by 12?
  12. 12.1.9 × 2 =
  13. 13.How many factors does 64 have?
  14. 14.1/2 of 22 + 2 × 2 =
  15. 15.Two tanks hold 80 litres and 60 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  16. 16.Find the HCF of 45 and 72.
  17. 17.1.1 × 8 =
  18. 18.Which is closest to 199 × 31? (Round each number first.) (a) 12000 (b) 60000 (c) 6000 (d) 600
  19. 19.Aditya takes 50 seconds and Saanvi takes 80 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?
  20. 20.32 ÷ 4 × 4 + 19 =
  21. 21.Find the LCM of 2 and 7.
  22. 22.25 − 18 ÷ 6 × 7 =
  23. 23.3/6 − 1/3 =
  24. 24.If 2 cricket balls cost ₹88, how much do 20 cricket balls cost (in ₹)?
  25. 25.Which is closest to 903 + 904 + 95? (a) 1900 (b) 2100 (c) 1800 (d) 2000
  26. 26.What is 30% of 330?
  27. 27.The ratio of boys to girls in a class is 4 : 1. There are 36 boys. How many girls are there?
  28. 28.Find the LCM of 2, 15 and 10.
  29. 29.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?
  30. 30.A car goes 114 km on 6 litres of petrol. How far can it go on 19 litres (in km)?
  31. 31.Saanvi scored 44 marks out of 80 in a test. What percentage did Saanvi score?
  32. 32.If 6 cricket balls cost ₹72, how much do 19 cricket balls cost (in ₹)?
  33. 33.4 : 8 = 8 : ?
  34. 34.Find the LCM of 14 and 6.
  35. 35.45 − 32 ÷ 4 × 5 =
  36. 36.Find the HCF of 10 and 8.
  37. 37.Two tanks hold 60 litres and 100 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  38. 38.Find the smallest number bigger than 15 that leaves a remainder of 2 when divided by 3, 15 or 9.
  39. 39.If 9 kg of rice costs ₹513, how many kg can you buy for ₹798?
  40. 40.Which is closest to 696 + 898 + 296? (a) 2100 (b) 2000 (c) 1900 (d) 1800

Answer key

  1. 12
  2. 14
  3. 14
  4. 44
  5. 45
  6. 700
  7. 5
  8. 2034
  9. 11
  10. 18
  11. 7
  12. 3.8
  13. 7
  14. 15
  15. 20
  16. 9
  17. 8.8
  18. 6000
  19. 400
  20. 51
  21. 14
  22. 4
  23. 1/6
  24. 880
  25. 1900
  26. 99
  27. 9
  28. 30
  29. 28
  30. 361
  31. 55
  32. 228
  33. 16
  34. 42
  35. 5
  36. 2
  37. 20
  38. 47
  39. 14
  40. 1900

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