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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 662 · 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 percent of 400 is 32?
  2. 2.Round 29.69 to one decimal place. =
  3. 3.A car goes 36 km on 2 litres of petrol. How far can it go on 10 litres (in km)?
  4. 4.Find the LCM of 40 and 15.
  5. 5.Two tanks hold 105 litres and 45 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  6. 6.Three temple bells ring every 30, 4 and 20 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  7. 7.Which is closest to 500 + 505 + 202? (a) 1400 (b) 1100 (c) 1200 (d) 1300
  8. 8.A hall floor is 210 cm long and 180 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  9. 9.Find the smallest number bigger than 15 that leaves a remainder of 4 when divided by 9, 10 or 15.
  10. 10.Which is closest to 4491 ÷ 51? (a) 180 (b) 45 (c) 900 (d) 90
  11. 11.7.87 + 8.1 =
  12. 12.9.8 × 2 =
  13. 13.40.5 ÷ 5 =
  14. 14.Write 1/2 as a percent.
  15. 15.Find the third proportional to 7 and 28 (that is, 7 : 28 = 28 : ?).
  16. 16.Meera takes 30 seconds and Kavya 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?
  17. 17.Divide ₹240 between Sneha and Rahul in the ratio 3 : 1. How much does Rahul get (in ₹)?
  18. 18.Which is closest to 302 + 296 + 202? (a) 1000 (b) 800 (c) 700 (d) 900
  19. 19.Which of these numbers divides exactly by 11? (a) 8667 (b) 1738 (c) 4149 (d) 2793
  20. 20.Which of these numbers divides exactly by 3? (a) 4442 (b) 1838 (c) 5195 (d) 8835
  21. 21.Which is closest to 1391 ÷ 21? (a) 140 (b) 35 (c) 700 (d) 70
  22. 22.Rahul takes 72 seconds and Dev 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?
  23. 23.What is the smallest number you must take away from 469 so that it divides exactly by 6?
  24. 24.75% of a number is 267. What is the number?
  25. 25.A hostel has enough food for 9 students for 11 days. How many days will the same food last for 3 students?
  26. 26.Find the LCM of 10, 12 and 9.
  27. 27.Find the smallest number bigger than 12 that leaves a remainder of 3 when divided by 4, 12 or 6.
  28. 28.54 ÷ 9 × 5 + 24 =
  29. 29.Kabir scored 10 marks out of 25 in a test. What percentage did Kabir score?
  30. 30.Divide ₹208 between Priya and Nisha in the ratio 7 : 9. How much does Nisha get (in ₹)?
  31. 31.If 10 pens cost ₹270, how much do 2 pens cost (in ₹)?
  32. 32.Three temple bells ring every 30, 24 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  33. 33.8 × (10 − 1) + 24 ÷ 3 =
  34. 34.6 : 3 = 30 : ?
  35. 35.9 : 12 = 27 : ?
  36. 36.(2 + 5) × 5 − 6 =
  37. 37.A hall floor is 480 cm long and 300 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  38. 38.Round 71.07 to one decimal place. =
  39. 39.1/3 + 3/8 =
  40. 40.Find the LCM of 4, 2 and 8.

Answer key

  1. 8
  2. 29.7
  3. 180
  4. 120
  5. 15
  6. 60
  7. 1200
  8. 42
  9. 94
  10. 90
  11. 15.97
  12. 19.6
  13. 8.1
  14. 50
  15. 112
  16. 90
  17. 60
  18. 800
  19. 1738
  20. 8835
  21. 70
  22. 360
  23. 1
  24. 356
  25. 33
  26. 180
  27. 15
  28. 54
  29. 40
  30. 117
  31. 54
  32. 120
  33. 80
  34. 15
  35. 36
  36. 29
  37. 40
  38. 71.1
  39. 17/24
  40. 8

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