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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 559 · 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.If 7 kg of rice costs ₹175, how many kg can you buy for ₹100?
  2. 2.2 × (15 − 14) + 27 ÷ 9 =
  3. 3.Round 18408 to the nearest ten.
  4. 4.Find the smallest number bigger than 12 that leaves a remainder of 1 when divided by 9, 5 or 12.
  5. 5.A car goes 48 km on 4 litres of petrol. How far can it go on 21 litres (in km)?
  6. 6.Find the HCF of 40 and 90.
  7. 7.What is the smallest number you must add to 497 so that it divides exactly by 9?
  8. 8.3 : 9 = 6 : ?
  9. 9.3/4 + 4/5 =
  10. 10.A car goes 77 km on 7 litres of petrol. How far can it go on 25 litres (in km)?
  11. 11.Which is closest to 604 ÷ 21? (a) 300 (b) 60 (c) 15 (d) 30
  12. 12.What is 15% of 260?
  13. 13.10% of a number is 57. What is the number?
  14. 14.10% of a number is 39. What is the number?
  15. 15.5 × (28 − 13) + 30 ÷ 3 =
  16. 16.Find the smallest number bigger than 8 that leaves a remainder of 2 when divided by 4, 8 or 3.
  17. 17.What is 1/2 of ₹18?
  18. 18.3/12 + 1/5 =
  19. 19.What is the smallest number you must add to 267 so that it divides exactly by 7?
  20. 20.A hostel has enough food for 3 students for 22 days. How many days will the same food last for 2 students?
  21. 21.Find the LCM of 48 and 42.
  22. 22.A car goes 45 km on 3 litres of petrol. How far can it go on 6 litres (in km)?
  23. 23.A hall floor is 100 cm long and 60 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  24. 24.Find the smallest number bigger than 6 that leaves a remainder of 1 when divided by 3, 6 or 5.
  25. 25.6 ÷ 3 × 8 + 10 =
  26. 26.If 2 kg of rice costs ₹148, how many kg can you buy for ₹444?
  27. 27.Find the LCM of 7, 2 and 11.
  28. 28.What is the smallest number you must take away from 240 so that it divides exactly by 13?
  29. 29.What percent of 400 is 360?
  30. 30.5/10 × 2/3 =
  31. 31.Three temple bells ring every 10, 4 and 5 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  32. 32.5 : 3 = 45 : ?
  33. 33.If 4 kg of rice costs ₹220, how many kg can you buy for ₹550?
  34. 34.8/10 − 4/7 =
  35. 35.Which is closest to 297 × 71? (Round each number first.) (a) 210000 (b) 42000 (c) 21000 (d) 2100
  36. 36.A car goes 40 km on 2 litres of petrol. How far can it go on 30 litres (in km)?
  37. 37.The HCF of two numbers is 9 and their LCM is 126. One of the numbers is 63. What is the other number?
  38. 38.Aditya takes 36 seconds and Arjun 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?
  39. 39.The ratio of boys to girls in a class is 7 : 1. There are 35 boys. How many girls are there?
  40. 40.What is the smallest number you must take away from 215 so that it divides exactly by 13?

Answer key

  1. 4
  2. 5
  3. 18410
  4. 181
  5. 252
  6. 10
  7. 7
  8. 18
  9. 31/20
  10. 275
  11. 30
  12. 39
  13. 570
  14. 390
  15. 85
  16. 26
  17. 9
  18. 9/20
  19. 6
  20. 33
  21. 336
  22. 90
  23. 15
  24. 31
  25. 26
  26. 6
  27. 154
  28. 6
  29. 90
  30. 1/3
  31. 20
  32. 27
  33. 10
  34. 8/35
  35. 21000
  36. 600
  37. 18
  38. 180
  39. 5
  40. 7

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