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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 685 · 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.Write 3/5 as a percent.
  2. 2.A car goes 190 km on 10 litres of petrol. How far can it go on 34 litres (in km)?
  3. 3.Find the LCM of 10 and 15.
  4. 4.Isha takes 75 seconds and Pooja takes 50 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?
  5. 5.Round 90.18 to one decimal place. =
  6. 6.Which of these numbers divides exactly by 11? (a) 7839 (b) 4323 (c) 3605 (d) 4539
  7. 7.1/2 of 4 + 3 × 2 =
  8. 8.2/4 × 2/6 =
  9. 9.Aarav scored 9 marks out of 25 in a test. What percentage did Aarav score?
  10. 10.4/10 × 5/12 =
  11. 11.What is the smallest number you must add to 960 so that it divides exactly by 7?
  12. 12.1/3 + 1/8 =
  13. 13.Zoya takes 60 seconds and Kabir 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?
  14. 14.10.5 ÷ 7 =
  15. 15.Which is closest to 2399 ÷ 29? (a) 800 (b) 40 (c) 160 (d) 80
  16. 16.Which is closest to 2692 ÷ 31? (a) 90 (b) 180 (c) 900 (d) 45
  17. 17.Ananya takes 75 seconds and Sneha 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?
  18. 18.A car goes 176 km on 11 litres of petrol. How far can it go on 2 litres (in km)?
  19. 19.Write 1/5 as a percent.
  20. 20.8 : 3 = 72 : ?
  21. 21.Find the LCM of 10, 8 and 15.
  22. 22.Find the LCM of 9 and 4.
  23. 23.Find the third proportional to 2 and 4 (that is, 2 : 4 = 4 : ?).
  24. 24.Divide ₹203 between Aditya and Diya in the ratio 5 : 2. How much does Aditya get (in ₹)?
  25. 25.What percent of 500 is 70?
  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.If 9 bottles of juice cost ₹72, how much do 4 bottles of juice cost (in ₹)?
  28. 28.What is the smallest number you must add to 211 so that it divides exactly by 12?
  29. 29.Meera takes 54 seconds and Diya 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?
  30. 30.21 − 16 ÷ 4 × 3 =
  31. 31.A car goes 242 km on 11 litres of petrol. How far can it go on 40 litres (in km)?
  32. 32.Nisha takes 60 seconds and Sneha takes 75 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?
  33. 33.The HCF of two numbers is 3 and their LCM is 126. One of the numbers is 18. What is the other number?
  34. 34.Which is closest to 1001 ÷ 49? (a) 40 (b) 10 (c) 200 (d) 20
  35. 35.What is the smallest number you must take away from 693 so that it divides exactly by 12?
  36. 36.8.1 ÷ 3 =
  37. 37.70 ÷ 7 × 8 + 27 =
  38. 38.2.62 + 1.2 =
  39. 39.Farhan scored 7 marks out of 20 in a test. What percentage did Farhan score?
  40. 40.10/12 − 2/5 =

Answer key

  1. 60
  2. 646
  3. 30
  4. 150
  5. 90.2
  6. 4323
  7. 8
  8. 1/6
  9. 36
  10. 1/6
  11. 6
  12. 11/24
  13. 240
  14. 1.5
  15. 80
  16. 90
  17. 150
  18. 32
  19. 20
  20. 27
  21. 120
  22. 36
  23. 8
  24. 145
  25. 14
  26. 5
  27. 32
  28. 5
  29. 270
  30. 9
  31. 880
  32. 300
  33. 21
  34. 20
  35. 9
  36. 2.7
  37. 107
  38. 3.82
  39. 35
  40. 13/30

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