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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 886 · 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.Which is closest to 404 + 97 + 404? (a) 900 (b) 1000 (c) 800 (d) 1100
  2. 2.Two tanks hold 450 litres and 100 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  3. 3.What is the smallest number you must add to 678 so that it divides exactly by 9?
  4. 4.Round 76.91 to one decimal place. =
  5. 5.Find the third proportional to 8 and 24 (that is, 8 : 24 = 24 : ?).
  6. 6.Find the LCM of 8, 9 and 12.
  7. 7.What is 50% of 562?
  8. 8.If 11 notebooks cost ₹363, how much do 9 notebooks cost (in ₹)?
  9. 9.Find the HCF of 70 and 60.
  10. 10.What percent of 500 is 60?
  11. 11.Three temple bells ring every 8, 4 and 5 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  12. 12.Vivaan takes 50 seconds and Kabir 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?
  13. 13.Which is closest to 1509 ÷ 51? (a) 60 (b) 15 (c) 300 (d) 30
  14. 14.Find the third proportional to 6 and 12 (that is, 6 : 12 = 12 : ?).
  15. 15.Priya takes 36 seconds and Farhan takes 90 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?
  16. 16.30% of a number is 147. What is the number?
  17. 17.Two tanks hold 60 litres and 80 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  18. 18.Divide ₹308 between Arjun and Ishaan in the ratio 6 : 5. How much does Ishaan get (in ₹)?
  19. 19.A car goes 207 km on 9 litres of petrol. How far can it go on 7 litres (in km)?
  20. 20.What is 3/10 of 230 litres?
  21. 21.A car goes 90 km on 6 litres of petrol. How far can it go on 33 litres (in km)?
  22. 22.How many factors does 98 have?
  23. 23.Find the LCM of 3 and 8.
  24. 24.Sneha scored 24 marks out of 80 in a test. What percentage did Sneha score?
  25. 25.Find the LCM of 3, 5 and 10.
  26. 26.A car goes 60 km on 3 litres of petrol. How far can it go on 5 litres (in km)?
  27. 27.Diya scored 18 marks out of 25 in a test. What percentage did Diya score?
  28. 28.43 ÷ 5 =
  29. 29.3 : 2 = 9 : ?
  30. 30.4.2 × 2 =
  31. 31.Which of these numbers divides exactly by 9? (a) 3538 (b) 5122 (c) 6588 (d) 1785
  32. 32.Which of these numbers divides exactly by 6? (a) 5781 (b) 1521 (c) 9696 (d) 6169
  33. 33.What is 15% of 460?
  34. 34.Find the HCF of 32 and 28.
  35. 35.What is 120% of 105?
  36. 36.20% of a number is 99. What is the number?
  37. 37.If 5 kg of rice costs ₹270, how many kg can you buy for ₹540?
  38. 38.Two tanks hold 200 litres and 280 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  39. 39.What is 60% of 600?
  40. 40.Divide ₹330 between Karan and Farhan in the ratio 3 : 8. How much does Karan get (in ₹)?

Answer key

  1. 900
  2. 50
  3. 6
  4. 76.9
  5. 72
  6. 72
  7. 281
  8. 297
  9. 10
  10. 12
  11. 40
  12. 450
  13. 30
  14. 24
  15. 180
  16. 490
  17. 20
  18. 140
  19. 161
  20. 69
  21. 495
  22. 6
  23. 24
  24. 30
  25. 30
  26. 100
  27. 72
  28. 8.6
  29. 6
  30. 8.4
  31. 6588
  32. 9696
  33. 69
  34. 4
  35. 126
  36. 495
  37. 10
  38. 40
  39. 360
  40. 90

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