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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 368 · 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.Two tanks hold 180 litres and 405 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  2. 2.Three temple bells ring every 24, 6 and 5 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  3. 3.20.4 ÷ 6 =
  4. 4.A hall floor is 140 cm long and 60 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  5. 5.If 7 kg of rice costs ₹413, how many kg can you buy for ₹236?
  6. 6.1/2 × 1/5 =
  7. 7.Divide ₹184 between Kavya and Zoya in the ratio 7 : 1. How much does Zoya get (in ₹)?
  8. 8.If 3 erasers cost ₹36, how much do 5 erasers cost (in ₹)?
  9. 9.Which of these numbers divides exactly by 4? (a) 6354 (b) 6491 (c) 1288 (d) 1089
  10. 10.Round 90092 to the nearest thousand.
  11. 11.What is the smallest number you must take away from 587 so that it divides exactly by 13?
  12. 12.How many factors does 74 have?
  13. 13.Which is closest to 3006 ÷ 49? (a) 120 (b) 30 (c) 600 (d) 60
  14. 14.Find the LCM of 20 and 16.
  15. 15.Farhan scored 24 marks out of 25 in a test. What percentage did Farhan score?
  16. 16.Three temple bells ring every 6, 15 and 18 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  17. 17.The ratio of boys to girls in a class is 4 : 1. There are 8 boys. How many girls are there?
  18. 18.What is the smallest number you must add to 969 so that it divides exactly by 11?
  19. 19.5 : 14 = 20 : ?
  20. 20.7.3 × 3 =
  21. 21.What percent of 20 is 9?
  22. 22.What percent of 25 is 15?
  23. 23.A car goes 198 km on 11 litres of petrol. How far can it go on 7 litres (in km)?
  24. 24.Write 19/20 as a percent.
  25. 25.3 : 9 = 6 : ?
  26. 26.9.3 × 8 =
  27. 27.If 2 notebooks cost ₹94, how much do 20 notebooks cost (in ₹)?
  28. 28.1/3 × 1/2 =
  29. 29.Three temple bells ring every 8, 30 and 5 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  30. 30.Three temple bells ring every 10, 5 and 8 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  31. 31.Three temple bells ring every 6, 24 and 30 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  32. 32.The ratio of boys to girls in a class is 7 : 2. There are 28 boys. How many girls are there?
  33. 33.What is the smallest number you must add to 808 so that it divides exactly by 3?
  34. 34.Ishaan takes 60 seconds and Vivaan takes 36 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.If 6 kg of rice costs ₹420, how many kg can you buy for ₹490?
  36. 36.Diya takes 36 seconds and Manav takes 80 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?
  37. 37.Divide ₹507 between Dev and Nisha in the ratio 5 : 8. How much does Dev get (in ₹)?
  38. 38.Divide ₹117 between Kavya and Ananya in the ratio 5 : 8. How much does Ananya get (in ₹)?
  39. 39.Divide ₹102 between Saanvi and Arjun in the ratio 1 : 2. How much does Arjun get (in ₹)?
  40. 40.Divide ₹294 between Karan and Zoya in the ratio 1 : 6. How much does Karan get (in ₹)?

Answer key

  1. 45
  2. 120
  3. 3.4
  4. 21
  5. 4
  6. 1/10
  7. 23
  8. 60
  9. 1288
  10. 90000
  11. 2
  12. 4
  13. 60
  14. 80
  15. 96
  16. 90
  17. 2
  18. 10
  19. 56
  20. 21.9
  21. 45
  22. 60
  23. 126
  24. 95
  25. 18
  26. 74.4
  27. 940
  28. 1/6
  29. 120
  30. 40
  31. 120
  32. 8
  33. 2
  34. 180
  35. 7
  36. 720
  37. 195
  38. 72
  39. 68
  40. 42

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