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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 653 · 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.Rahul scored 1 marks out of 20 in a test. What percentage did Rahul score?
  2. 2.Three temple bells ring every 24, 20 and 5 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  3. 3.Divide ₹330 between Isha and Aditya in the ratio 1 : 5. How much does Isha get (in ₹)?
  4. 4.8 × (18 − 4) + 20 ÷ 4 =
  5. 5.What is 12% of 550?
  6. 6.The ratio of boys to girls in a class is 5 : 8. There are 35 boys. How many girls are there?
  7. 7.The ratio of boys to girls in a class is 5 : 3. There are 35 boys. How many girls are there?
  8. 8.What is 20% of 390?
  9. 9.How many factors does 92 have?
  10. 10.How many factors does 27 have?
  11. 11.A hall floor is 120 cm long and 80 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  12. 12.Find the LCM of 11, 2 and 7.
  13. 13.A car goes 231 km on 11 litres of petrol. How far can it go on 28 litres (in km)?
  14. 14.1/3 + 2/8 =
  15. 15.6/8 − 2/3 =
  16. 16.7 painters can paint a school in 14 days. How many days would 14 painters take, working at the same speed?
  17. 17.Which of these numbers divides exactly by 6? (a) 1634 (b) 8574 (c) 3905 (d) 2469
  18. 18.What is the smallest number you must add to 953 so that it divides exactly by 12?
  19. 19.How many factors does 94 have?
  20. 20.Which is closest to 904 + 804 + 297? (a) 1900 (b) 2200 (c) 2100 (d) 2000
  21. 21.How many factors does 70 have?
  22. 22.The ratio of boys to girls in a class is 5 : 3. There are 20 boys. How many girls are there?
  23. 23.Find the smallest number bigger than 12 that leaves a remainder of 1 when divided by 8, 12 or 6.
  24. 24.5 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
  25. 25.2/3 + 9/11 =
  26. 26.A car goes 54 km on 6 litres of petrol. How far can it go on 37 litres (in km)?
  27. 27.Find the third proportional to 6 and 24 (that is, 6 : 24 = 24 : ?).
  28. 28.Which is closest to 3591 ÷ 41? (a) 90 (b) 900 (c) 180 (d) 45
  29. 29.Which is closest to 603 × 48? (Round each number first.) (a) 3000 (b) 300000 (c) 60000 (d) 30000
  30. 30.16 + 6 × 3 − 12 =
  31. 31.Find the HCF of 20 and 28.
  32. 32.What is 150% of 476?
  33. 33.How many factors does 36 have?
  34. 34.Which is closest to 304 × 42? (Round each number first.) (a) 120000 (b) 24000 (c) 1200 (d) 12000
  35. 35.Isha scored 40 marks out of 50 in a test. What percentage did Isha score?
  36. 36.(19 + 5) × 8 − 25 =
  37. 37.Divide ₹126 between Diya and Ananya in the ratio 5 : 2. How much does Ananya get (in ₹)?
  38. 38.Find the LCM of 9, 6 and 4.
  39. 39.How many factors does 25 have?
  40. 40.Rahul scored 24 marks out of 25 in a test. What percentage did Rahul score?

Answer key

  1. 5
  2. 120
  3. 55
  4. 117
  5. 66
  6. 56
  7. 21
  8. 78
  9. 6
  10. 4
  11. 6
  12. 154
  13. 588
  14. 7/12
  15. 1/12
  16. 7
  17. 8574
  18. 7
  19. 4
  20. 2000
  21. 8
  22. 12
  23. 25
  24. 5
  25. 49/33
  26. 333
  27. 96
  28. 90
  29. 30000
  30. 22
  31. 4
  32. 714
  33. 9
  34. 12000
  35. 80
  36. 167
  37. 36
  38. 36
  39. 3
  40. 96

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