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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 617 · 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.What is the smallest number you must add to 341 so that it divides exactly by 9?
  2. 2.A car goes 26 km on 2 litres of petrol. How far can it go on 9 litres (in km)?
  3. 3.What is the smallest number you must add to 569 so that it divides exactly by 4?
  4. 4.Diya scored 23 marks out of 25 in a test. What percentage did Diya score?
  5. 5.6 painters can paint a school in 22 days. How many days would 3 painters take, working at the same speed?
  6. 6.Nisha scored 2 marks out of 20 in a test. What percentage did Nisha score?
  7. 7.70 ÷ 7 × 3 + 27 =
  8. 8.If 6 kg of rice costs ₹306, how many kg can you buy for ₹102?
  9. 9.The ratio of boys to girls in a class is 5 : 8. There are 45 boys. How many girls are there?
  10. 10.Divide ₹143 between Aarav and Vivaan in the ratio 5 : 8. How much does Vivaan get (in ₹)?
  11. 11.Three temple bells ring every 20, 12 and 6 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  12. 12.Which is closest to 397 × 91? (Round each number first.) (a) 36000 (b) 360000 (c) 3600 (d) 72000
  13. 13.(10 + 5) × 8 − 22 =
  14. 14.What is 15% of 40?
  15. 15.32 + 3 × 5 − 7 =
  16. 16.If 12 pencil boxes cost ₹168, how much do 20 pencil boxes cost (in ₹)?
  17. 17.9 painters can paint a school in 9 days. How many days would 3 painters take, working at the same speed?
  18. 18.If 4 kg of rice costs ₹96, how many kg can you buy for ₹144?
  19. 19.Which is closest to 398 + 95 + 501? (a) 1100 (b) 1000 (c) 1200 (d) 900
  20. 20.A hostel has enough food for 6 students for 8 days. How many days will the same food last for 8 students?
  21. 21.Three temple bells ring every 5, 20 and 15 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  22. 22.Find the third proportional to 5 and 20 (that is, 5 : 20 = 20 : ?).
  23. 23.Three temple bells ring every 9, 8 and 18 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  24. 24.If 12 erasers cost ₹408, how much do 6 erasers cost (in ₹)?
  25. 25.Three temple bells ring every 6, 10 and 12 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  26. 26.8 × (21 − 4) + 90 ÷ 9 =
  27. 27.5 ÷ 2 =
  28. 28.Which is closest to 500 + 201 + 797? (a) 1500 (b) 1600 (c) 1400 (d) 1700
  29. 29.3 : 6 = 12 : ?
  30. 30.(10 + 18) × 8 − 6 =
  31. 31.Which is closest to 300 + 801 + 104? (a) 1200 (b) 1400 (c) 1100 (d) 1300
  32. 32.Three temple bells ring every 18, 30 and 6 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  33. 33.Divide ₹200 between Pooja and Ananya in the ratio 1 : 3. How much does Ananya get (in ₹)?
  34. 34.2.72 + 9.8 =
  35. 35.3 : 8 = 9 : ?
  36. 36.Which is closest to 595 + 297 + 803? (a) 1800 (b) 1700 (c) 1600 (d) 1900
  37. 37.3/4 of 24 + 2 × 2 =
  38. 38.12 ÷ 4 × 7 + 3 =
  39. 39.What is the smallest number you must add to 713 so that it divides exactly by 11?
  40. 40.The HCF of two numbers is 2 and their LCM is 72. One of the numbers is 18. What is the other number?

Answer key

  1. 1
  2. 117
  3. 3
  4. 92
  5. 44
  6. 10
  7. 57
  8. 2
  9. 72
  10. 88
  11. 60
  12. 36000
  13. 98
  14. 6
  15. 40
  16. 280
  17. 27
  18. 6
  19. 1000
  20. 6
  21. 60
  22. 80
  23. 72
  24. 204
  25. 60
  26. 146
  27. 2.5
  28. 1500
  29. 24
  30. 218
  31. 1200
  32. 90
  33. 150
  34. 12.52
  35. 24
  36. 1700
  37. 22
  38. 24
  39. 2
  40. 8

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