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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 812 · 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 9/10 as a percent.
  2. 2.Which is closest to 996 ÷ 49? (a) 10 (b) 200 (c) 20 (d) 40
  3. 3.What is the smallest number you must add to 344 so that it divides exactly by 7?
  4. 4.What percent of 200 is 190?
  5. 5.How many factors does 13 have?
  6. 6.Round 61.67 to one decimal place. =
  7. 7.Saanvi takes 48 seconds and Meera 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?
  8. 8.Find the LCM of 4 and 6.
  9. 9.3/8 of 96 + 6 × 8 =
  10. 10.If 2 kg of rice costs ₹118, how many kg can you buy for ₹236?
  11. 11.Which is closest to 2391 ÷ 29? (a) 800 (b) 40 (c) 80 (d) 160
  12. 12.What is 40% of 475?
  13. 13.Round 91.37 to one decimal place. =
  14. 14.Which is closest to 696 + 98 + 203? (a) 1200 (b) 1000 (c) 1100 (d) 900
  15. 15.What is 30% of 410?
  16. 16.Ananya takes 30 seconds and Aditya 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?
  17. 17.Three temple bells ring every 4, 5 and 12 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  18. 18.A car goes 85 km on 5 litres of petrol. How far can it go on 31 litres (in km)?
  19. 19.Find the third proportional to 6 and 12 (that is, 6 : 12 = 12 : ?).
  20. 20.Find the smallest number bigger than 10 that leaves a remainder of 1 when divided by 6, 10 or 3.
  21. 21.What is the smallest number you must take away from 521 so that it divides exactly by 4?
  22. 22.(20 + 14) × 5 − 10 =
  23. 23.2/8 + 2/6 =
  24. 24.What is 2/3 of 24 litres?
  25. 25.Find the smallest number bigger than 6 that leaves a remainder of 2 when divided by 4, 3 or 6.
  26. 26.Two tanks hold 25 litres and 35 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  27. 27.Which is closest to 601 × 42? (Round each number first.) (a) 2400 (b) 240000 (c) 48000 (d) 24000
  28. 28.What is the smallest number you must take away from 445 so that it divides exactly by 8?
  29. 29.10/12 × 1/2 =
  30. 30.Which of these numbers divides exactly by 9? (a) 3275 (b) 3852 (c) 9121 (d) 9809
  31. 31.Which of these numbers divides exactly by 4? (a) 6357 (b) 2067 (c) 2095 (d) 9932
  32. 32.A hostel has enough food for 5 students for 30 days. How many days will the same food last for 3 students?
  33. 33.What is 120% of 585?
  34. 34.What is the smallest number you must add to 541 so that it divides exactly by 3?
  35. 35.38 + 9 × 2 − 24 =
  36. 36.What is the smallest number you must take away from 538 so that it divides exactly by 6?
  37. 37.A car goes 84 km on 4 litres of petrol. How far can it go on 20 litres (in km)?
  38. 38.11 painters can paint a school in 4 days. How many days would 22 painters take, working at the same speed?
  39. 39.4/7 of 49 + 3 × 6 =
  40. 40.Divide ₹30 between Isha and Priya in the ratio 3 : 2. How much does Priya get (in ₹)?

Answer key

  1. 90
  2. 20
  3. 6
  4. 95
  5. 2
  6. 61.7
  7. 144
  8. 12
  9. 84
  10. 4
  11. 80
  12. 190
  13. 91.4
  14. 1000
  15. 123
  16. 180
  17. 60
  18. 527
  19. 24
  20. 31
  21. 1
  22. 160
  23. 7/12
  24. 16
  25. 14
  26. 5
  27. 24000
  28. 5
  29. 5/12
  30. 3852
  31. 9932
  32. 50
  33. 702
  34. 2
  35. 32
  36. 4
  37. 420
  38. 2
  39. 46
  40. 12

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