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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 327 · 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 3 and 8.
  2. 2.Find the HCF of 8 and 36.
  3. 3.If 5 mangoes cost ₹240, how much do 11 mangoes cost (in ₹)?
  4. 4.Find the LCM of 10, 13 and 2.
  5. 5.41 − 48 ÷ 8 × 2 =
  6. 6.Which is closest to 1195 ÷ 29? (a) 80 (b) 40 (c) 400 (d) 20
  7. 7.How many factors does 40 have?
  8. 8.13.5 ÷ 3 =
  9. 9.Which is closest to 401 × 92? (Round each number first.) (a) 360000 (b) 72000 (c) 36000 (d) 3600
  10. 10.57 − 18 ÷ 3 × 4 =
  11. 11.What is 4/9 of 54 kg?
  12. 12.A car goes 72 km on 9 litres of petrol. How far can it go on 28 litres (in km)?
  13. 13.Which of these numbers divides exactly by 4? (a) 2693 (b) 1232 (c) 8826 (d) 8141
  14. 14.(17 + 8) × 3 − 7 =
  15. 15.1/2 × 1/12 =
  16. 16.Find the HCF of 108 and 24.
  17. 17.Three temple bells ring every 24, 30 and 8 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  18. 18.4/7 + 1/4 =
  19. 19.Find the smallest number bigger than 15 that leaves a remainder of 1 when divided by 15, 4 or 8.
  20. 20.Which is closest to 2804 ÷ 41? (a) 140 (b) 70 (c) 35 (d) 700
  21. 21.What is 5% of 500?
  22. 22.1/2 + 4/8 =
  23. 23.A car goes 81 km on 9 litres of petrol. How far can it go on 6 litres (in km)?
  24. 24.96 − 56 ÷ 8 × 8 =
  25. 25.If 5 kg of rice costs ₹285, how many kg can you buy for ₹228?
  26. 26.Find the LCM of 14 and 10.
  27. 27.Ananya takes 60 seconds and Vivaan takes 48 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?
  28. 28.Vivaan takes 30 seconds and Sneha takes 45 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?
  29. 29.1.1 × 7 =
  30. 30.The ratio of boys to girls in a class is 1 : 2. There are 9 boys. How many girls are there?
  31. 31.If 5 kg of rice costs ₹345, how many kg can you buy for ₹966?
  32. 32.30 ÷ 3 × 5 + 19 =
  33. 33.75% of a number is 51. What is the number?
  34. 34.Which is closest to 200 + 99 + 496? (a) 900 (b) 700 (c) 800 (d) 1000
  35. 35.What is 1/2 of 44 students?
  36. 36.What is 1/4 of 12 kg?
  37. 37.Find the LCM of 4 and 3.
  38. 38.25% of a number is 140. What is the number?
  39. 39.Which is closest to 201 × 79? (Round each number first.) (a) 32000 (b) 160000 (c) 1600 (d) 16000
  40. 40.Find the third proportional to 3 and 6 (that is, 3 : 6 = 6 : ?).

Answer key

  1. 24
  2. 4
  3. 528
  4. 130
  5. 29
  6. 40
  7. 8
  8. 4.5
  9. 36000
  10. 33
  11. 24
  12. 224
  13. 1232
  14. 68
  15. 1/24
  16. 12
  17. 120
  18. 23/28
  19. 121
  20. 70
  21. 25
  22. 1
  23. 54
  24. 40
  25. 4
  26. 70
  27. 240
  28. 90
  29. 7.7
  30. 18
  31. 14
  32. 69
  33. 68
  34. 800
  35. 22
  36. 3
  37. 12
  38. 560
  39. 16000
  40. 12

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