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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 612 · 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.A car goes 48 km on 2 litres of petrol. How far can it go on 4 litres (in km)?
  2. 2.If 3 kg of rice costs ₹114, how many kg can you buy for ₹494?
  3. 3.Round 28437 to the nearest thousand.
  4. 4.A hall floor is 360 cm long and 300 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  5. 5.4/6 + 3/11 =
  6. 6.What is 1/7 of 196 km?
  7. 7.If 3 kg of rice costs ₹168, how many kg can you buy for ₹448?
  8. 8.If 5 bottles of juice cost ₹175, how much do 10 bottles of juice cost (in ₹)?
  9. 9.Round 7893 to the nearest thousand.
  10. 10.Find the smallest number bigger than 15 that leaves a remainder of 1 when divided by 15, 10 or 6.
  11. 11.Round 49.19 to one decimal place. =
  12. 12.Find the LCM of 14 and 18.
  13. 13.Rohan scored 12 marks out of 25 in a test. What percentage did Rohan score?
  14. 14.If 6 kites cost ₹192, how much do 8 kites cost (in ₹)?
  15. 15.Which of these numbers divides exactly by 9? (a) 9964 (b) 1353 (c) 2853 (d) 8709
  16. 16.9.94 + 4.9 =
  17. 17.Round 16983 to the nearest thousand.
  18. 18.Which of these numbers divides exactly by 9? (a) 4275 (b) 7566 (c) 1673 (d) 3588
  19. 19.26 + 12 × 2 − 14 =
  20. 20.Rohan takes 40 seconds and Rahul 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?
  21. 21.Two tanks hold 105 litres and 90 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  22. 22.Find the HCF of 24 and 27.
  23. 23.3/8 + 1/2 =
  24. 24.60% of a number is 60. What is the number?
  25. 25.2/3 − 2/4 =
  26. 26.Aarav takes 75 seconds and Vivaan takes 30 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?
  27. 27.Find the third proportional to 8 and 16 (that is, 8 : 16 = 16 : ?).
  28. 28.If 9 kites cost ₹108, how much do 19 kites cost (in ₹)?
  29. 29.What is the smallest number you must add to 136 so that it divides exactly by 7?
  30. 30.Write 1/10 as a percent.
  31. 31.7/10 × 3/11 =
  32. 32.What is the smallest number you must take away from 129 so that it divides exactly by 6?
  33. 33.Which is closest to 195 + 905 + 204? (a) 1500 (b) 1200 (c) 1400 (d) 1300
  34. 34.Rahul takes 45 seconds and Ananya takes 72 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?
  35. 35.Find the LCM of 6, 7 and 8.
  36. 36.The ratio of boys to girls in a class is 3 : 7. There are 24 boys. How many girls are there?
  37. 37.Write 1/4 as a percent.
  38. 38.Write 11/20 as a percent.
  39. 39.8 ÷ 2 × 6 + 29 =
  40. 40.Round 82.12 to one decimal place. =

Answer key

  1. 96
  2. 13
  3. 28000
  4. 30
  5. 31/33
  6. 28
  7. 8
  8. 350
  9. 8000
  10. 31
  11. 49.2
  12. 126
  13. 48
  14. 256
  15. 2853
  16. 14.84
  17. 17000
  18. 4275
  19. 36
  20. 240
  21. 15
  22. 3
  23. 7/8
  24. 100
  25. 1/6
  26. 150
  27. 32
  28. 228
  29. 4
  30. 10
  31. 21/110
  32. 3
  33. 1300
  34. 360
  35. 168
  36. 56
  37. 25
  38. 55
  39. 53
  40. 82.1

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