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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 864 · 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 1802 ÷ 21? (a) 180 (b) 45 (c) 90 (d) 900
  2. 2.99 ÷ 9 × 8 + 5 =
  3. 3.Find the smallest number bigger than 15 that leaves a remainder of 2 when divided by 15, 8 or 6.
  4. 4.Isha scored 41 marks out of 50 in a test. What percentage did Isha score?
  5. 5.Which of these numbers divides exactly by 8? (a) 5298 (b) 2438 (c) 3600 (d) 5807
  6. 6.Find the smallest number bigger than 15 that leaves a remainder of 2 when divided by 8, 4 or 15.
  7. 7.(19 + 4) × 3 − 7 =
  8. 8.A car goes 36 km on 4 litres of petrol. How far can it go on 40 litres (in km)?
  9. 9.Which is closest to 203 × 68? (Round each number first.) (a) 14000 (b) 1400 (c) 28000 (d) 140000
  10. 10.What is 120% of 555?
  11. 11.What is the smallest number you must take away from 149 so that it divides exactly by 9?
  12. 12.10/11 − 2/4 =
  13. 13.If 3 pens cost ₹135, how much do 9 pens cost (in ₹)?
  14. 14.66 ÷ 6 × 4 + 28 =
  15. 15.1/6 × 1/2 =
  16. 16.1/11 + 1/4 =
  17. 17.A car goes 300 km on 12 litres of petrol. How far can it go on 36 litres (in km)?
  18. 18.15% of a number is 81. What is the number?
  19. 19.(8 + 8) × 8 − 11 =
  20. 20.17 + 6 × 7 − 3 =
  21. 21.What is the smallest number you must take away from 869 so that it divides exactly by 12?
  22. 22.Find the LCM of 54 and 12.
  23. 23.What is 6/7 of 63 students?
  24. 24.How many factors does 45 have?
  25. 25.5/6 + 1/3 =
  26. 26.Aarav takes 72 seconds and Ishaan takes 54 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?
  27. 27.If 6 bottles of juice cost ₹264, how much do 10 bottles of juice cost (in ₹)?
  28. 28.How many factors does 47 have?
  29. 29.32 ÷ 8 × 6 + 18 =
  30. 30.What is 80% of 105?
  31. 31.Find the smallest number bigger than 12 that leaves a remainder of 2 when divided by 10, 12 or 4.
  32. 32.Find the third proportional to 2 and 8 (that is, 2 : 8 = 8 : ?).
  33. 33.What percent of 80 is 12?
  34. 34.Find the HCF of 30 and 50.
  35. 35.6/7 − 3/4 =
  36. 36.Find the LCM of 2, 7 and 9.
  37. 37.What is the smallest number you must take away from 154 so that it divides exactly by 13?
  38. 38.Which of these numbers divides exactly by 8? (a) 1010 (b) 4002 (c) 6328 (d) 2804
  39. 39.7/9 + 1/3 =
  40. 40.20% of a number is 35. What is the number?

Answer key

  1. 90
  2. 93
  3. 122
  4. 82
  5. 3600
  6. 122
  7. 62
  8. 360
  9. 14000
  10. 666
  11. 5
  12. 9/22
  13. 405
  14. 72
  15. 1/12
  16. 15/44
  17. 900
  18. 540
  19. 117
  20. 56
  21. 5
  22. 108
  23. 54
  24. 6
  25. 7/6
  26. 216
  27. 440
  28. 2
  29. 42
  30. 84
  31. 62
  32. 32
  33. 15
  34. 10
  35. 3/28
  36. 126
  37. 11
  38. 6328
  39. 10/9
  40. 175

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