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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 600 · 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. 1.3 × (27 − 7) + 18 ÷ 2 =
  2. 2.The ratio of boys to girls in a class is 7 : 8. There are 14 boys. How many girls are there?
  3. 3.8.4 ÷ 7 =
  4. 4.A hall floor is 140 cm long and 80 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  5. 5.Which of these numbers divides exactly by 4? (a) 1777 (b) 4129 (c) 5436 (d) 8354
  6. 6.Which is closest to 501 + 799 + 802? (a) 2300 (b) 2200 (c) 2000 (d) 2100
  7. 7.3 × (24 − 2) + 56 ÷ 7 =
  8. 8.Write 13/25 as a percent.
  9. 9.If 4 kg of rice costs ₹196, how many kg can you buy for ₹490?
  10. 10.Three temple bells ring every 5, 20 and 12 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  11. 11.What is 1/2 of 52 litres?
  12. 12.Which is closest to 393 ÷ 19? (a) 20 (b) 40 (c) 200 (d) 10
  13. 13.Three temple bells ring every 24, 5 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  14. 14.Find the LCM of 6, 11 and 4.
  15. 15.A car goes 60 km on 5 litres of petrol. How far can it go on 40 litres (in km)?
  16. 16.What is 1/6 of ₹30?
  17. 17.Divide ₹495 between Aarav and Ishaan in the ratio 4 : 7. How much does Ishaan get (in ₹)?
  18. 18.60 − 20 ÷ 5 × 5 =
  19. 19.Find the HCF of 48 and 60.
  20. 20.Three temple bells ring every 12, 10 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  21. 21.If 8 bottles of juice cost ₹448, how much do 16 bottles of juice cost (in ₹)?
  22. 22.What percent of 80 is 64?
  23. 23.Which is closest to 695 + 795 + 98? (a) 1800 (b) 1500 (c) 1600 (d) 1700
  24. 24.Divide ₹152 between Aditya and Arjun in the ratio 1 : 7. How much does Aditya get (in ₹)?
  25. 25.If 3 kg of rice costs ₹237, how many kg can you buy for ₹1185?
  26. 26.Two tanks hold 15 litres and 25 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  27. 27.Write 4/25 as a percent.
  28. 28.How many factors does 28 have?
  29. 29.7/10 − 1/2 =
  30. 30.32 + 2 × 7 − 7 =
  31. 31.6.09 + 4.8 =
  32. 32.Find the smallest number bigger than 15 that leaves a remainder of 5 when divided by 6, 9 or 15.
  33. 33.(15 + 11) × 6 − 2 =
  34. 34.Which of these numbers divides exactly by 4? (a) 1568 (b) 5349 (c) 3207 (d) 9323
  35. 35.Which is closest to 401 × 20? (Round each number first.) (a) 16000 (b) 80000 (c) 800 (d) 8000
  36. 36.Write 3/5 as a percent.
  37. 37.4 × (24 − 8) + 20 ÷ 4 =
  38. 38.Round 77.81 to one decimal place. =
  39. 39.What percent of 200 is 54?
  40. 40.4.96 + 9.6 =

Answer key

  1. 69
  2. 16
  3. 1.2
  4. 28
  5. 5436
  6. 2100
  7. 74
  8. 52
  9. 10
  10. 60
  11. 26
  12. 20
  13. 120
  14. 132
  15. 480
  16. 5
  17. 315
  18. 40
  19. 12
  20. 60
  21. 896
  22. 80
  23. 1600
  24. 19
  25. 15
  26. 5
  27. 16
  28. 6
  29. 1/5
  30. 39
  31. 10.89
  32. 95
  33. 154
  34. 1568
  35. 8000
  36. 60
  37. 69
  38. 77.8
  39. 27
  40. 14.56

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