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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 104 · 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 take away from 414 so that it divides exactly by 12?
  2. 2.Tara scored 11 marks out of 20 in a test. What percentage did Tara score?
  3. 3.Which of these numbers divides exactly by 4? (a) 9121 (b) 4916 (c) 2749 (d) 9583
  4. 4.What percent of 40 is 18?
  5. 5.2/4 × 2/3 =
  6. 6.A car goes 52 km on 4 litres of petrol. How far can it go on 25 litres (in km)?
  7. 7.A car goes 52 km on 4 litres of petrol. How far can it go on 6 litres (in km)?
  8. 8.If 7 cricket balls cost ₹133, how much do 15 cricket balls cost (in ₹)?
  9. 9.3/4 + 7/9 =
  10. 10.(5 + 9) × 3 − 2 =
  11. 11.Rahul takes 60 seconds and Tara 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?
  12. 12.6 ÷ 2 × 2 + 20 =
  13. 13.A hostel has enough food for 10 students for 18 days. How many days will the same food last for 18 students?
  14. 14.Which of these numbers divides exactly by 11? (a) 3352 (b) 1106 (c) 5723 (d) 7271
  15. 15.A car goes 34 km on 2 litres of petrol. How far can it go on 13 litres (in km)?
  16. 16.Which is closest to 3605 ÷ 39? (a) 900 (b) 45 (c) 90 (d) 180
  17. 17.A car goes 104 km on 8 litres of petrol. How far can it go on 4 litres (in km)?
  18. 18.Which of these numbers divides exactly by 11? (a) 7725 (b) 7184 (c) 3985 (d) 2882
  19. 19.Find the third proportional to 5 and 25 (that is, 5 : 25 = 25 : ?).
  20. 20.Write 1/10 as a percent.
  21. 21.How many factors does 91 have?
  22. 22.Find the smallest number bigger than 15 that leaves a remainder of 2 when divided by 10, 8 or 15.
  23. 23.3/5 of 35 + 2 × 5 =
  24. 24.If 8 kg of rice costs ₹704, how many kg can you buy for ₹1320?
  25. 25.How many factors does 35 have?
  26. 26.What is 3/4 of 8 students?
  27. 27.24 + 9 × 2 − 14 =
  28. 28.Find the LCM of 3 and 5.
  29. 29.4/6 − 1/3 =
  30. 30.If 3 kg of rice costs ₹237, how many kg can you buy for ₹869?
  31. 31.12 painters can paint a school in 10 days. How many days would 2 painters take, working at the same speed?
  32. 32.Find the third proportional to 6 and 18 (that is, 6 : 18 = 18 : ?).
  33. 33.64 − 48 ÷ 8 × 5 =
  34. 34.What is 20% of 595?
  35. 35.4.26 + 6.3 =
  36. 36.Find the third proportional to 6 and 24 (that is, 6 : 24 = 24 : ?).
  37. 37.64 ÷ 8 × 6 + 1 =
  38. 38.Three temple bells ring every 4, 18 and 24 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  39. 39.If 4 kg of rice costs ₹272, how many kg can you buy for ₹340?
  40. 40.A hall floor is 180 cm long and 150 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?

Answer key

  1. 6
  2. 55
  3. 4916
  4. 45
  5. 1/3
  6. 325
  7. 78
  8. 285
  9. 55/36
  10. 40
  11. 300
  12. 26
  13. 10
  14. 7271
  15. 221
  16. 90
  17. 52
  18. 2882
  19. 125
  20. 10
  21. 4
  22. 122
  23. 31
  24. 15
  25. 4
  26. 6
  27. 28
  28. 15
  29. 1/3
  30. 11
  31. 60
  32. 54
  33. 34
  34. 119
  35. 10.56
  36. 96
  37. 49
  38. 72
  39. 5
  40. 30

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