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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 61 · 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 is the smallest number you must take away from 696 so that it divides exactly by 11?
  2. 2.A car goes 264 km on 12 litres of petrol. How far can it go on 17 litres (in km)?
  3. 3.Round 22.58 to one decimal place. =
  4. 4.Find the LCM of 16 and 14.
  5. 5.Three temple bells ring every 8, 15 and 10 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  6. 6.Find the LCM of 5, 11 and 3.
  7. 7.11 : 10 = 66 : ?
  8. 8.65.8 ÷ 7 =
  9. 9.How many factors does 67 have?
  10. 10.Find the third proportional to 2 and 8 (that is, 2 : 8 = 8 : ?).
  11. 11.6 painters can paint a school in 19 days. How many days would 2 painters take, working at the same speed?
  12. 12.Round 71767 to the nearest hundred.
  13. 13.A hostel has enough food for 6 students for 28 days. How many days will the same food last for 8 students?
  14. 14.Divide ₹99 between Diya and Aarav in the ratio 8 : 1. How much does Aarav get (in ₹)?
  15. 15.1/2 − 2/5 =
  16. 16.26 − 40 ÷ 5 × 3 =
  17. 17.Which is closest to 95 + 898 + 597? (a) 1500 (b) 1600 (c) 1700 (d) 1800
  18. 18.Two tanks hold 280 litres and 200 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  19. 19.If 5 mangoes cost ₹300, how much do 2 mangoes cost (in ₹)?
  20. 20.Divide ₹175 between Sneha and Diya in the ratio 4 : 3. How much does Sneha get (in ₹)?
  21. 21.61 − 40 ÷ 5 × 4 =
  22. 22.3.7 × 4 =
  23. 23.Which of these numbers divides exactly by 11? (a) 2513 (b) 1576 (c) 7315 (d) 1937
  24. 24.A hall floor is 225 cm long and 180 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  25. 25.Find the smallest number bigger than 12 that leaves a remainder of 2 when divided by 12, 3 or 4.
  26. 26.A car goes 99 km on 9 litres of petrol. How far can it go on 27 litres (in km)?
  27. 27.A hall floor is 100 cm long and 80 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  28. 28.Which of these numbers divides exactly by 3? (a) 1593 (b) 4577 (c) 5332 (d) 1124
  29. 29.What is the smallest number you must add to 940 so that it divides exactly by 13?
  30. 30.Three temple bells ring every 5, 18 and 9 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  31. 31.Divide ₹98 between Aditya and Arjun in the ratio 2 : 5. How much does Aditya get (in ₹)?
  32. 32.11.4 ÷ 6 =
  33. 33.120% of a number is 666. What is the number?
  34. 34.Round 23.49 to one decimal place. =
  35. 35.If 4 kg of rice costs ₹360, how many kg can you buy for ₹810?
  36. 36.32 − 12 ÷ 4 × 5 =
  37. 37.1/2 of 10 + 8 × 4 =
  38. 38.Find the LCM of 7 and 2.
  39. 39.Which is closest to 604 ÷ 31? (a) 200 (b) 10 (c) 40 (d) 20
  40. 40.Which is closest to 991 ÷ 19? (a) 500 (b) 25 (c) 50 (d) 100

Answer key

  1. 3
  2. 374
  3. 22.6
  4. 112
  5. 120
  6. 165
  7. 60
  8. 9.4
  9. 2
  10. 32
  11. 57
  12. 71800
  13. 21
  14. 11
  15. 1/10
  16. 2
  17. 1600
  18. 40
  19. 120
  20. 100
  21. 29
  22. 14.8
  23. 7315
  24. 20
  25. 14
  26. 297
  27. 20
  28. 1593
  29. 9
  30. 90
  31. 28
  32. 1.9
  33. 555
  34. 23.5
  35. 9
  36. 17
  37. 37
  38. 14
  39. 20
  40. 50

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